Home / 72,348,230.40-108,522,345.60-65,545,785.60

Finding the Fourth Proportional to 72,348,230.40, 108,522,345.60 and 65,545,785.60

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Solution

The fourth proportional to 72,348,230.40, 108,522,345.60 and 65,545,785.60 is: 98,318,678.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,348,230.40 : 108,522,345.60 = 65,545,785.60 : x
  2. Step 2: Convert to fraction form
    72,348,230.40/108,522,345.60 = 65,545,785.60/x
  3. Step 3: Cross multiply
    72,348,230.40x = 108,522,345.60 × 65,545,785.60
  4. Step 4: Simplify right side
    72,348,230.40x = 7,113,182,397,506,703
  5. Step 5: Solve for x
    x = 7,113,182,397,506,703/72,348,230.40
  6. Step 6: Final answer
    x = 98,318,678.40

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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.