Home / 410,245,641.27-614,991,368.43-147,865,987.89

Finding the Fourth Proportional to 410,245,641.27, 614,991,368.43 and 147,865,987.89

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Solution

The fourth proportional to 410,245,641.27, 614,991,368.43 and 147,865,987.89 is: 221,663,064.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,245,641.27 : 614,991,368.43 = 147,865,987.89 : x
  2. Step 2: Convert to fraction form
    410,245,641.27/614,991,368.43 = 147,865,987.89/x
  3. Step 3: Cross multiply
    410,245,641.27x = 614,991,368.43 × 147,865,987.89
  4. Step 4: Simplify right side
    410,245,641.27x = 90,936,306,236,724,896
  5. Step 5: Solve for x
    x = 90,936,306,236,724,896/410,245,641.27
  6. Step 6: Final answer
    x = 221,663,064.98

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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.