Home / 115,897,841.04-159,940,293.84-63,686,890.20

Finding the Fourth Proportional to 115,897,841.04, 159,940,293.84 and 63,686,890.20

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Solution

The fourth proportional to 115,897,841.04, 159,940,293.84 and 63,686,890.20 is: 87,888,608.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,897,841.04 : 159,940,293.84 = 63,686,890.20 : x
  2. Step 2: Convert to fraction form
    115,897,841.04/159,940,293.84 = 63,686,890.20/x
  3. Step 3: Cross multiply
    115,897,841.04x = 159,940,293.84 × 63,686,890.20
  4. Step 4: Simplify right side
    115,897,841.04x = 10,186,099,932,343,818
  5. Step 5: Solve for x
    x = 10,186,099,932,343,818/115,897,841.04
  6. Step 6: Final answer
    x = 87,888,608.11

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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.