Home / 83,041,421.40-124,562,132.10-34,503,143.40

Finding the Fourth Proportional to 83,041,421.40, 124,562,132.10 and 34,503,143.40

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Solution

The fourth proportional to 83,041,421.40, 124,562,132.10 and 34,503,143.40 is: 51,754,715.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,041,421.40 : 124,562,132.10 = 34,503,143.40 : x
  2. Step 2: Convert to fraction form
    83,041,421.40/124,562,132.10 = 34,503,143.40/x
  3. Step 3: Cross multiply
    83,041,421.40x = 124,562,132.10 × 34,503,143.40
  4. Step 4: Simplify right side
    83,041,421.40x = 4,297,785,106,056,042.50
  5. Step 5: Solve for x
    x = 4,297,785,106,056,042.50/83,041,421.40
  6. Step 6: Final answer
    x = 51,754,715.10

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.