Home / 272,169,666.70-408,254,500.05-99,652,108.30

Finding the Fourth Proportional to 272,169,666.70, 408,254,500.05 and 99,652,108.30

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Solution

The fourth proportional to 272,169,666.70, 408,254,500.05 and 99,652,108.30 is: 149,478,162.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,169,666.70 : 408,254,500.05 = 99,652,108.30 : x
  2. Step 2: Convert to fraction form
    272,169,666.70/408,254,500.05 = 99,652,108.30/x
  3. Step 3: Cross multiply
    272,169,666.70x = 408,254,500.05 × 99,652,108.30
  4. Step 4: Simplify right side
    272,169,666.70x = 40,683,421,652,944,952
  5. Step 5: Solve for x
    x = 40,683,421,652,944,952/272,169,666.70
  6. Step 6: Final answer
    x = 149,478,162.45

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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.