Home / 124,417,808.10-186,626,712.15-79,030,851.30

Finding the Fourth Proportional to 124,417,808.10, 186,626,712.15 and 79,030,851.30

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Solution

The fourth proportional to 124,417,808.10, 186,626,712.15 and 79,030,851.30 is: 118,546,276.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,417,808.10 : 186,626,712.15 = 79,030,851.30 : x
  2. Step 2: Convert to fraction form
    124,417,808.10/186,626,712.15 = 79,030,851.30/x
  3. Step 3: Cross multiply
    124,417,808.10x = 186,626,712.15 × 79,030,851.30
  4. Step 4: Simplify right side
    124,417,808.10x = 14,749,267,936,534,554
  5. Step 5: Solve for x
    x = 14,749,267,936,534,554/124,417,808.10
  6. Step 6: Final answer
    x = 118,546,276.95

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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.