Home / 99,997,221.02-137,995,148.46-55,343,281.04

Finding the Fourth Proportional to 99,997,221.02, 137,995,148.46 and 55,343,281.04

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Solution

The fourth proportional to 99,997,221.02, 137,995,148.46 and 55,343,281.04 is: 76,373,165.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,997,221.02 : 137,995,148.46 = 55,343,281.04 : x
  2. Step 2: Convert to fraction form
    99,997,221.02/137,995,148.46 = 55,343,281.04/x
  3. Step 3: Cross multiply
    99,997,221.02x = 137,995,148.46 × 55,343,281.04
  4. Step 4: Simplify right side
    99,997,221.02x = 7,637,104,283,378,304
  5. Step 5: Solve for x
    x = 7,637,104,283,378,304/99,997,221.02
  6. Step 6: Final answer
    x = 76,373,165.23

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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.