Home / 161,765,363.40-242,648,045.10-123,501,611.40

Finding the Fourth Proportional to 161,765,363.40, 242,648,045.10 and 123,501,611.40

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Solution

The fourth proportional to 161,765,363.40, 242,648,045.10 and 123,501,611.40 is: 185,252,417.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,765,363.40 : 242,648,045.10 = 123,501,611.40 : x
  2. Step 2: Convert to fraction form
    161,765,363.40/242,648,045.10 = 123,501,611.40/x
  3. Step 3: Cross multiply
    161,765,363.40x = 242,648,045.10 × 123,501,611.40
  4. Step 4: Simplify right side
    161,765,363.40x = 29,967,424,572,909,876
  5. Step 5: Solve for x
    x = 29,967,424,572,909,876/161,765,363.40
  6. Step 6: Final answer
    x = 185,252,417.10

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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.