Home / 124,413,380.40-186,620,070.60-63,191,377.20

Finding the Fourth Proportional to 124,413,380.40, 186,620,070.60 and 63,191,377.20

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Solution

The fourth proportional to 124,413,380.40, 186,620,070.60 and 63,191,377.20 is: 94,787,065.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,413,380.40 : 186,620,070.60 = 63,191,377.20 : x
  2. Step 2: Convert to fraction form
    124,413,380.40/186,620,070.60 = 63,191,377.20/x
  3. Step 3: Cross multiply
    124,413,380.40x = 186,620,070.60 × 63,191,377.20
  4. Step 4: Simplify right side
    124,413,380.40x = 11,792,779,274,375,230
  5. Step 5: Solve for x
    x = 11,792,779,274,375,230/124,413,380.40
  6. Step 6: Final answer
    x = 94,787,065.80

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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.