Home / 250,386,739.71-345,575,077.08-138,913,494.87

Finding the Fourth Proportional to 250,386,739.71, 345,575,077.08 and 138,913,494.87

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Solution

The fourth proportional to 250,386,739.71, 345,575,077.08 and 138,913,494.87 is: 191,723,578.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,386,739.71 : 345,575,077.08 = 138,913,494.87 : x
  2. Step 2: Convert to fraction form
    250,386,739.71/345,575,077.08 = 138,913,494.87/x
  3. Step 3: Cross multiply
    250,386,739.71x = 345,575,077.08 × 138,913,494.87
  4. Step 4: Simplify right side
    250,386,739.71x = 48,005,041,697,152,432
  5. Step 5: Solve for x
    x = 48,005,041,697,152,432/250,386,739.71
  6. Step 6: Final answer
    x = 191,723,578.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.