Home / 54,087,807.90-74,638,397.79-30,878,401.26

Finding the Fourth Proportional to 54,087,807.90, 74,638,397.79 and 30,878,401.26

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Solution

The fourth proportional to 54,087,807.90, 74,638,397.79 and 30,878,401.26 is: 42,610,608.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,087,807.90 : 74,638,397.79 = 30,878,401.26 : x
  2. Step 2: Convert to fraction form
    54,087,807.90/74,638,397.79 = 30,878,401.26/x
  3. Step 3: Cross multiply
    54,087,807.90x = 74,638,397.79 × 30,878,401.26
  4. Step 4: Simplify right side
    54,087,807.90x = 2,304,714,396,363,117.50
  5. Step 5: Solve for x
    x = 2,304,714,396,363,117.50/54,087,807.90
  6. Step 6: Final answer
    x = 42,610,608.30

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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.