Home / 99,523,959.81-137,343,702.08-55,473,751.80

Finding the Fourth Proportional to 99,523,959.81, 137,343,702.08 and 55,473,751.80

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Solution

The fourth proportional to 99,523,959.81, 137,343,702.08 and 55,473,751.80 is: 76,554,132.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,523,959.81 : 137,343,702.08 = 55,473,751.80 : x
  2. Step 2: Convert to fraction form
    99,523,959.81/137,343,702.08 = 55,473,751.80/x
  3. Step 3: Cross multiply
    99,523,959.81x = 137,343,702.08 × 55,473,751.80
  4. Step 4: Simplify right side
    99,523,959.81x = 7,618,970,440,201,694
  5. Step 5: Solve for x
    x = 7,618,970,440,201,694/99,523,959.81
  6. Step 6: Final answer
    x = 76,554,132.84

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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.