Home / 83,056,031.40-124,584,047.10-49,015,813.80

Finding the Fourth Proportional to 83,056,031.40, 124,584,047.10 and 49,015,813.80

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Solution

The fourth proportional to 83,056,031.40, 124,584,047.10 and 49,015,813.80 is: 73,523,720.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,056,031.40 : 124,584,047.10 = 49,015,813.80 : x
  2. Step 2: Convert to fraction form
    83,056,031.40/124,584,047.10 = 49,015,813.80/x
  3. Step 3: Cross multiply
    83,056,031.40x = 124,584,047.10 × 49,015,813.80
  4. Step 4: Simplify right side
    83,056,031.40x = 6,106,588,455,104,029
  5. Step 5: Solve for x
    x = 6,106,588,455,104,029/83,056,031.40
  6. Step 6: Final answer
    x = 73,523,720.70

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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.