Home / 78,894,005.60-118,341,008.40-59,762,129.60

Finding the Fourth Proportional to 78,894,005.60, 118,341,008.40 and 59,762,129.60

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Solution

The fourth proportional to 78,894,005.60, 118,341,008.40 and 59,762,129.60 is: 89,643,194.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,894,005.60 : 118,341,008.40 = 59,762,129.60 : x
  2. Step 2: Convert to fraction form
    78,894,005.60/118,341,008.40 = 59,762,129.60/x
  3. Step 3: Cross multiply
    78,894,005.60x = 118,341,008.40 × 59,762,129.60
  4. Step 4: Simplify right side
    78,894,005.60x = 7,072,310,680,995,489
  5. Step 5: Solve for x
    x = 7,072,310,680,995,489/78,894,005.60
  6. Step 6: Final answer
    x = 89,643,194.40

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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.