Home / 147,866,728.20-221,793,926.74-38,689,482.06

Finding the Fourth Proportional to 147,866,728.20, 221,793,926.74 and 38,689,482.06

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Solution

The fourth proportional to 147,866,728.20, 221,793,926.74 and 38,689,482.06 is: 58,032,609.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,866,728.20 : 221,793,926.74 = 38,689,482.06 : x
  2. Step 2: Convert to fraction form
    147,866,728.20/221,793,926.74 = 38,689,482.06/x
  3. Step 3: Cross multiply
    147,866,728.20x = 221,793,926.74 × 38,689,482.06
  4. Step 4: Simplify right side
    147,866,728.20x = 8,581,092,149,624,185
  5. Step 5: Solve for x
    x = 8,581,092,149,624,185/147,866,728.20
  6. Step 6: Final answer
    x = 58,032,609.86

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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.