Home / 86,490,915.74-119,357,385.89-48,822,010.28

Finding the Fourth Proportional to 86,490,915.74, 119,357,385.89 and 48,822,010.28

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Solution

The fourth proportional to 86,490,915.74, 119,357,385.89 and 48,822,010.28 is: 67,374,330.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,490,915.74 : 119,357,385.89 = 48,822,010.28 : x
  2. Step 2: Convert to fraction form
    86,490,915.74/119,357,385.89 = 48,822,010.28/x
  3. Step 3: Cross multiply
    86,490,915.74x = 119,357,385.89 × 48,822,010.28
  4. Step 4: Simplify right side
    86,490,915.74x = 5,827,267,520,074,610
  5. Step 5: Solve for x
    x = 5,827,267,520,074,610/86,490,915.74
  6. Step 6: Final answer
    x = 67,374,330.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.