Home / 238,464,007.20-357,696,010.80-85,115,066.40

Finding the Fourth Proportional to 238,464,007.20, 357,696,010.80 and 85,115,066.40

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Solution

The fourth proportional to 238,464,007.20, 357,696,010.80 and 85,115,066.40 is: 127,672,599.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,464,007.20 : 357,696,010.80 = 85,115,066.40 : x
  2. Step 2: Convert to fraction form
    238,464,007.20/357,696,010.80 = 85,115,066.40/x
  3. Step 3: Cross multiply
    238,464,007.20x = 357,696,010.80 × 85,115,066.40
  4. Step 4: Simplify right side
    238,464,007.20x = 30,445,319,710,257,120
  5. Step 5: Solve for x
    x = 30,445,319,710,257,120/238,464,007.20
  6. Step 6: Final answer
    x = 127,672,599.60

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1.5x scale

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.