Home / 98,931,016.87-148,396,529.92-67,775,952.55

Finding the Fourth Proportional to 98,931,016.87, 148,396,529.92 and 67,775,952.55

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Solution

The fourth proportional to 98,931,016.87, 148,396,529.92 and 67,775,952.55 is: 101,663,931.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,931,016.87 : 148,396,529.92 = 67,775,952.55 : x
  2. Step 2: Convert to fraction form
    98,931,016.87/148,396,529.92 = 67,775,952.55/x
  3. Step 3: Cross multiply
    98,931,016.87x = 148,396,529.92 × 67,775,952.55
  4. Step 4: Simplify right side
    98,931,016.87x = 10,057,716,169,361,712
  5. Step 5: Solve for x
    x = 10,057,716,169,361,712/98,931,016.87
  6. Step 6: Final answer
    x = 101,663,931.98

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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.