Home / 161,764,362.30-242,646,543.45-89,960,778.30

Finding the Fourth Proportional to 161,764,362.30, 242,646,543.45 and 89,960,778.30

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Solution

The fourth proportional to 161,764,362.30, 242,646,543.45 and 89,960,778.30 is: 134,941,167.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,764,362.30 : 242,646,543.45 = 89,960,778.30 : x
  2. Step 2: Convert to fraction form
    161,764,362.30/242,646,543.45 = 89,960,778.30/x
  3. Step 3: Cross multiply
    161,764,362.30x = 242,646,543.45 × 89,960,778.30
  4. Step 4: Simplify right side
    161,764,362.30x = 21,828,671,900,566,764
  5. Step 5: Solve for x
    x = 21,828,671,900,566,764/161,764,362.30
  6. Step 6: Final answer
    x = 134,941,167.45

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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.