Home / 71,044,077.60-106,566,116.40-19,934,762.40

Finding the Fourth Proportional to 71,044,077.60, 106,566,116.40 and 19,934,762.40

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Solution

The fourth proportional to 71,044,077.60, 106,566,116.40 and 19,934,762.40 is: 29,902,143.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,044,077.60 : 106,566,116.40 = 19,934,762.40 : x
  2. Step 2: Convert to fraction form
    71,044,077.60/106,566,116.40 = 19,934,762.40/x
  3. Step 3: Cross multiply
    71,044,077.60x = 106,566,116.40 × 19,934,762.40
  4. Step 4: Simplify right side
    71,044,077.60x = 2,124,370,210,324,743.25
  5. Step 5: Solve for x
    x = 2,124,370,210,324,743.25/71,044,077.60
  6. Step 6: Final answer
    x = 29,902,143.60

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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.