Home / 215,700,796.28-323,564,815.02-91,180,205.74

Finding the Fourth Proportional to 215,700,796.28, 323,564,815.02 and 91,180,205.74

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Solution

The fourth proportional to 215,700,796.28, 323,564,815.02 and 91,180,205.74 is: 136,776,066.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,700,796.28 : 323,564,815.02 = 91,180,205.74 : x
  2. Step 2: Convert to fraction form
    215,700,796.28/323,564,815.02 = 91,180,205.74/x
  3. Step 3: Cross multiply
    215,700,796.28x = 323,564,815.02 × 91,180,205.74
  4. Step 4: Simplify right side
    215,700,796.28x = 29,502,706,403,281,656
  5. Step 5: Solve for x
    x = 29,502,706,403,281,656/215,700,796.28
  6. Step 6: Final answer
    x = 136,776,066.26

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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.