Home / 238,464,007.70-357,696,011.55-85,115,066.90

Finding the Fourth Proportional to 238,464,007.70, 357,696,011.55 and 85,115,066.90

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Solution

The fourth proportional to 238,464,007.70, 357,696,011.55 and 85,115,066.90 is: 127,672,600.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,464,007.70 : 357,696,011.55 = 85,115,066.90 : x
  2. Step 2: Convert to fraction form
    238,464,007.70/357,696,011.55 = 85,115,066.90/x
  3. Step 3: Cross multiply
    238,464,007.70x = 357,696,011.55 × 85,115,066.90
  4. Step 4: Simplify right side
    238,464,007.70x = 30,445,319,952,941,424
  5. Step 5: Solve for x
    x = 30,445,319,952,941,424/238,464,007.70
  6. Step 6: Final answer
    x = 127,672,600.35

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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.