Home / 357,692,531.52-536,538,728.16-153,087,931.20

Finding the Fourth Proportional to 357,692,531.52, 536,538,728.16 and 153,087,931.20

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Solution

The fourth proportional to 357,692,531.52, 536,538,728.16 and 153,087,931.20 is: 229,631,867.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,692,531.52 : 536,538,728.16 = 153,087,931.20 : x
  2. Step 2: Convert to fraction form
    357,692,531.52/536,538,728.16 = 153,087,931.20/x
  3. Step 3: Cross multiply
    357,692,531.52x = 536,538,728.16 × 153,087,931.20
  4. Step 4: Simplify right side
    357,692,531.52x = 82,137,603,902,693,584
  5. Step 5: Solve for x
    x = 82,137,603,902,693,584/357,692,531.52
  6. Step 6: Final answer
    x = 229,631,867.22

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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.