Home / 105,008,962.15-157,466,204.02-40,291,258.15

Finding the Fourth Proportional to 105,008,962.15, 157,466,204.02 and 40,291,258.15

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Solution

The fourth proportional to 105,008,962.15, 157,466,204.02 and 40,291,258.15 is: 60,418,761.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,008,962.15 : 157,466,204.02 = 40,291,258.15 : x
  2. Step 2: Convert to fraction form
    105,008,962.15/157,466,204.02 = 40,291,258.15/x
  3. Step 3: Cross multiply
    105,008,962.15x = 157,466,204.02 × 40,291,258.15
  4. Step 4: Simplify right side
    105,008,962.15x = 6,344,511,476,070,388
  5. Step 5: Solve for x
    x = 6,344,511,476,070,388/105,008,962.15
  6. Step 6: Final answer
    x = 60,418,761.85

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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.