Home / 79,172,892.28-118,779,119.34-55,875,124.80

Finding the Fourth Proportional to 79,172,892.28, 118,779,119.34 and 55,875,124.80

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Solution

The fourth proportional to 79,172,892.28, 118,779,119.34 and 55,875,124.80 is: 83,826,647.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,172,892.28 : 118,779,119.34 = 55,875,124.80 : x
  2. Step 2: Convert to fraction form
    79,172,892.28/118,779,119.34 = 55,875,124.80/x
  3. Step 3: Cross multiply
    79,172,892.28x = 118,779,119.34 × 55,875,124.80
  4. Step 4: Simplify right side
    79,172,892.28x = 6,636,798,116,756,593
  5. Step 5: Solve for x
    x = 6,636,798,116,756,593/79,172,892.28
  6. Step 6: Final answer
    x = 83,826,647.30

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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.