Home / 123,763,636,221.25-185,645,222,601.45-38,779,936,621.90

Finding the Fourth Proportional to 123,763,636,221.25, 185,645,222,601.45 and 38,779,936,621.90

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Solution

The fourth proportional to 123,763,636,221.25, 185,645,222,601.45 and 38,779,936,621.90 is: 58,169,832,322.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,763,636,221.25 : 185,645,222,601.45 = 38,779,936,621.90 : x
  2. Step 2: Convert to fraction form
    123,763,636,221.25/185,645,222,601.45 = 38,779,936,621.90/x
  3. Step 3: Cross multiply
    123,763,636,221.25x = 185,645,222,601.45 × 38,779,936,621.90
  4. Step 4: Simplify right side
    123,763,636,221.25x = 7,199,309,966,643,491,241,984
  5. Step 5: Solve for x
    x = 7,199,309,966,643,491,241,984/123,763,636,221.25
  6. Step 6: Final answer
    x = 58,169,832,322.75

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1.5x scale

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.