Home / 145,151,910.11-200,309,547.65-79,961,814.11

Finding the Fourth Proportional to 145,151,910.11, 200,309,547.65 and 79,961,814.11

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Solution

The fourth proportional to 145,151,910.11, 200,309,547.65 and 79,961,814.11 is: 110,347,254.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,151,910.11 : 200,309,547.65 = 79,961,814.11 : x
  2. Step 2: Convert to fraction form
    145,151,910.11/200,309,547.65 = 79,961,814.11/x
  3. Step 3: Cross multiply
    145,151,910.11x = 200,309,547.65 × 79,961,814.11
  4. Step 4: Simplify right side
    145,151,910.11x = 16,017,114,813,748,452
  5. Step 5: Solve for x
    x = 16,017,114,813,748,452/145,151,910.11
  6. Step 6: Final answer
    x = 110,347,254.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.