Home / 130,575,737.04-180,194,511.17-71,837,142.07

Finding the Fourth Proportional to 130,575,737.04, 180,194,511.17 and 71,837,142.07

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Solution

The fourth proportional to 130,575,737.04, 180,194,511.17 and 71,837,142.07 is: 99,135,252.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,575,737.04 : 180,194,511.17 = 71,837,142.07 : x
  2. Step 2: Convert to fraction form
    130,575,737.04/180,194,511.17 = 71,837,142.07/x
  3. Step 3: Cross multiply
    130,575,737.04x = 180,194,511.17 × 71,837,142.07
  4. Step 4: Simplify right side
    130,575,737.04x = 12,944,658,698,882,598
  5. Step 5: Solve for x
    x = 12,944,658,698,882,598/130,575,737.04
  6. Step 6: Final answer
    x = 99,135,252.78

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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.