Home / 83,413,643.40-125,120,465.10-25,911,727.20

Finding the Fourth Proportional to 83,413,643.40, 125,120,465.10 and 25,911,727.20

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Solution

The fourth proportional to 83,413,643.40, 125,120,465.10 and 25,911,727.20 is: 38,867,590.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,413,643.40 : 125,120,465.10 = 25,911,727.20 : x
  2. Step 2: Convert to fraction form
    83,413,643.40/125,120,465.10 = 25,911,727.20/x
  3. Step 3: Cross multiply
    83,413,643.40x = 125,120,465.10 × 25,911,727.20
  4. Step 4: Simplify right side
    83,413,643.40x = 3,242,087,358,808,320.50
  5. Step 5: Solve for x
    x = 3,242,087,358,808,320.50/83,413,643.40
  6. Step 6: Final answer
    x = 38,867,590.80

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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.