Home / 123,580,947.40-185,371,421.10-94,971,488.20

Finding the Fourth Proportional to 123,580,947.40, 185,371,421.10 and 94,971,488.20

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Solution

The fourth proportional to 123,580,947.40, 185,371,421.10 and 94,971,488.20 is: 142,457,232.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,580,947.40 : 185,371,421.10 = 94,971,488.20 : x
  2. Step 2: Convert to fraction form
    123,580,947.40/185,371,421.10 = 94,971,488.20/x
  3. Step 3: Cross multiply
    123,580,947.40x = 185,371,421.10 × 94,971,488.20
  4. Step 4: Simplify right side
    123,580,947.40x = 17,604,999,731,615,882
  5. Step 5: Solve for x
    x = 17,604,999,731,615,882/123,580,947.40
  6. Step 6: Final answer
    x = 142,457,232.30

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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.