Home / 79,488,017.60-119,232,026.40-25,640,772.80

Finding the Fourth Proportional to 79,488,017.60, 119,232,026.40 and 25,640,772.80

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Solution

The fourth proportional to 79,488,017.60, 119,232,026.40 and 25,640,772.80 is: 38,461,159.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,488,017.60 : 119,232,026.40 = 25,640,772.80 : x
  2. Step 2: Convert to fraction form
    79,488,017.60/119,232,026.40 = 25,640,772.80/x
  3. Step 3: Cross multiply
    79,488,017.60x = 119,232,026.40 × 25,640,772.80
  4. Step 4: Simplify right side
    79,488,017.60x = 3,057,201,299,406,002
  5. Step 5: Solve for x
    x = 3,057,201,299,406,002/79,488,017.60
  6. Step 6: Final answer
    x = 38,461,159.20

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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.