Home / 166,475,314.80-249,712,972.20-159,779,158.20

Finding the Fourth Proportional to 166,475,314.80, 249,712,972.20 and 159,779,158.20

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Solution

The fourth proportional to 166,475,314.80, 249,712,972.20 and 159,779,158.20 is: 239,668,737.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,475,314.80 : 249,712,972.20 = 159,779,158.20 : x
  2. Step 2: Convert to fraction form
    166,475,314.80/249,712,972.20 = 159,779,158.20/x
  3. Step 3: Cross multiply
    166,475,314.80x = 249,712,972.20 × 159,779,158.20
  4. Step 4: Simplify right side
    166,475,314.80x = 39,898,928,489,736,000
  5. Step 5: Solve for x
    x = 39,898,928,489,736,000/166,475,314.80
  6. Step 6: Final answer
    x = 239,668,737.30

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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.