Home / 134,845,688.70-202,363,011.45-86,441,255.10

Finding the Fourth Proportional to 134,845,688.70, 202,363,011.45 and 86,441,255.10

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Solution

The fourth proportional to 134,845,688.70, 202,363,011.45 and 86,441,255.10 is: 129,722,446.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,845,688.70 : 202,363,011.45 = 86,441,255.10 : x
  2. Step 2: Convert to fraction form
    134,845,688.70/202,363,011.45 = 86,441,255.10/x
  3. Step 3: Cross multiply
    134,845,688.70x = 202,363,011.45 × 86,441,255.10
  4. Step 4: Simplify right side
    134,845,688.70x = 17,492,512,695,553,668
  5. Step 5: Solve for x
    x = 17,492,512,695,553,668/134,845,688.70
  6. Step 6: Final answer
    x = 129,722,446.93

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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.