Home / 96,775,688.60-145,163,532.90-85,438,280.60

Finding the Fourth Proportional to 96,775,688.60, 145,163,532.90 and 85,438,280.60

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Solution

The fourth proportional to 96,775,688.60, 145,163,532.90 and 85,438,280.60 is: 128,157,420.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,775,688.60 : 145,163,532.90 = 85,438,280.60 : x
  2. Step 2: Convert to fraction form
    96,775,688.60/145,163,532.90 = 85,438,280.60/x
  3. Step 3: Cross multiply
    96,775,688.60x = 145,163,532.90 × 85,438,280.60
  4. Step 4: Simplify right side
    96,775,688.60x = 12,402,522,656,797,532
  5. Step 5: Solve for x
    x = 12,402,522,656,797,532/96,775,688.60
  6. Step 6: Final answer
    x = 128,157,420.90

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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.