Home / 130,381,685.40-195,501,669.30-53,712,463.80

Finding the Fourth Proportional to 130,381,685.40, 195,501,669.30 and 53,712,463.80

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Solution

The fourth proportional to 130,381,685.40, 195,501,669.30 and 53,712,463.80 is: 80,539,504.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,381,685.40 : 195,501,669.30 = 53,712,463.80 : x
  2. Step 2: Convert to fraction form
    130,381,685.40/195,501,669.30 = 53,712,463.80/x
  3. Step 3: Cross multiply
    130,381,685.40x = 195,501,669.30 × 53,712,463.80
  4. Step 4: Simplify right side
    130,381,685.40x = 10,500,876,335,115,822
  5. Step 5: Solve for x
    x = 10,500,876,335,115,822/130,381,685.40
  6. Step 6: Final answer
    x = 80,539,504.48

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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.