Home / 131,764,543.74-181,729,044.39-115,835,570.13

Finding the Fourth Proportional to 131,764,543.74, 181,729,044.39 and 115,835,570.13

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Solution

The fourth proportional to 131,764,543.74, 181,729,044.39 and 115,835,570.13 is: 159,759,878.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,764,543.74 : 181,729,044.39 = 115,835,570.13 : x
  2. Step 2: Convert to fraction form
    131,764,543.74/181,729,044.39 = 115,835,570.13/x
  3. Step 3: Cross multiply
    131,764,543.74x = 181,729,044.39 × 115,835,570.13
  4. Step 4: Simplify right side
    131,764,543.74x = 21,050,687,466,095,724
  5. Step 5: Solve for x
    x = 21,050,687,466,095,724/131,764,543.74
  6. Step 6: Final answer
    x = 159,759,878.25

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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.