Home / 71,746,452.40-107,619,678.60-64,944,007.60

Finding the Fourth Proportional to 71,746,452.40, 107,619,678.60 and 64,944,007.60

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Solution

The fourth proportional to 71,746,452.40, 107,619,678.60 and 64,944,007.60 is: 97,416,011.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,746,452.40 : 107,619,678.60 = 64,944,007.60 : x
  2. Step 2: Convert to fraction form
    71,746,452.40/107,619,678.60 = 64,944,007.60/x
  3. Step 3: Cross multiply
    71,746,452.40x = 107,619,678.60 × 64,944,007.60
  4. Step 4: Simplify right side
    71,746,452.40x = 6,989,253,224,907,957
  5. Step 5: Solve for x
    x = 6,989,253,224,907,957/71,746,452.40
  6. Step 6: Final answer
    x = 97,416,011.40

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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.