Home / 99,651,210.70-149,476,816.05-83,495,404.30

Finding the Fourth Proportional to 99,651,210.70, 149,476,816.05 and 83,495,404.30

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Solution

The fourth proportional to 99,651,210.70, 149,476,816.05 and 83,495,404.30 is: 125,243,106.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,651,210.70 : 149,476,816.05 = 83,495,404.30 : x
  2. Step 2: Convert to fraction form
    99,651,210.70/149,476,816.05 = 83,495,404.30/x
  3. Step 3: Cross multiply
    99,651,210.70x = 149,476,816.05 × 83,495,404.30
  4. Step 4: Simplify right side
    99,651,210.70x = 12,480,627,189,571,480
  5. Step 5: Solve for x
    x = 12,480,627,189,571,480/99,651,210.70
  6. Step 6: Final answer
    x = 125,243,106.45

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Similar ratio
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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.