Home / 71,001,527,739.92-97,985,188,276.86-39,319,141,083.92

Finding the Fourth Proportional to 71,001,527,739.92, 97,985,188,276.86 and 39,319,141,083.92

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Solution

The fourth proportional to 71,001,527,739.92, 97,985,188,276.86 and 39,319,141,083.92 is: 54,262,120,332.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,001,527,739.92 : 97,985,188,276.86 = 39,319,141,083.92 : x
  2. Step 2: Convert to fraction form
    71,001,527,739.92/97,985,188,276.86 = 39,319,141,083.92/x
  3. Step 3: Cross multiply
    71,001,527,739.92x = 97,985,188,276.86 × 39,319,141,083.92
  4. Step 4: Simplify right side
    71,001,527,739.92x = 3,852,693,441,991,832,764,416
  5. Step 5: Solve for x
    x = 3,852,693,441,991,832,764,416/71,001,527,739.92
  6. Step 6: Final answer
    x = 54,262,120,332.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.