Home / 124,417,023.60-186,625,535.40-78,843,442.80

Finding the Fourth Proportional to 124,417,023.60, 186,625,535.40 and 78,843,442.80

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Solution

The fourth proportional to 124,417,023.60, 186,625,535.40 and 78,843,442.80 is: 118,265,164.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,417,023.60 : 186,625,535.40 = 78,843,442.80 : x
  2. Step 2: Convert to fraction form
    124,417,023.60/186,625,535.40 = 78,843,442.80/x
  3. Step 3: Cross multiply
    124,417,023.60x = 186,625,535.40 × 78,843,442.80
  4. Step 4: Simplify right side
    124,417,023.60x = 14,714,199,725,329,276
  5. Step 5: Solve for x
    x = 14,714,199,725,329,276/124,417,023.60
  6. Step 6: Final answer
    x = 118,265,164.20

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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.