Home / 161,703,000.90-242,564,998.95-85,175,496.90

Finding the Fourth Proportional to 161,703,000.90, 242,564,998.95 and 85,175,496.90

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Solution

The fourth proportional to 161,703,000.90, 242,564,998.95 and 85,175,496.90 is: 127,768,774.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,703,000.90 : 242,564,998.95 = 85,175,496.90 : x
  2. Step 2: Convert to fraction form
    161,703,000.90/242,564,998.95 = 85,175,496.90/x
  3. Step 3: Cross multiply
    161,703,000.90x = 242,564,998.95 × 85,175,496.90
  4. Step 4: Simplify right side
    161,703,000.90x = 20,660,594,316,114,228
  5. Step 5: Solve for x
    x = 20,660,594,316,114,228/161,703,000.90
  6. Step 6: Final answer
    x = 127,768,774.86

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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.