Home / 48,122,643.60-72,183,965.40-28,990,767.60

Finding the Fourth Proportional to 48,122,643.60, 72,183,965.40 and 28,990,767.60

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Solution

The fourth proportional to 48,122,643.60, 72,183,965.40 and 28,990,767.60 is: 43,486,151.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,122,643.60 : 72,183,965.40 = 28,990,767.60 : x
  2. Step 2: Convert to fraction form
    48,122,643.60/72,183,965.40 = 28,990,767.60/x
  3. Step 3: Cross multiply
    48,122,643.60x = 72,183,965.40 × 28,990,767.60
  4. Step 4: Simplify right side
    48,122,643.60x = 2,092,668,565,357,841.25
  5. Step 5: Solve for x
    x = 2,092,668,565,357,841.25/48,122,643.60
  6. Step 6: Final answer
    x = 43,486,151.40

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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.