Home / 250,386,740.71-345,575,078.46-138,913,495.87

Finding the Fourth Proportional to 250,386,740.71, 345,575,078.46 and 138,913,495.87

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Solution

The fourth proportional to 250,386,740.71, 345,575,078.46 and 138,913,495.87 is: 191,723,579.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,386,740.71 : 345,575,078.46 = 138,913,495.87 : x
  2. Step 2: Convert to fraction form
    250,386,740.71/345,575,078.46 = 138,913,495.87/x
  3. Step 3: Cross multiply
    250,386,740.71x = 345,575,078.46 × 138,913,495.87
  4. Step 4: Simplify right side
    250,386,740.71x = 48,005,042,234,428,136
  5. Step 5: Solve for x
    x = 48,005,042,234,428,136/250,386,740.71
  6. Step 6: Final answer
    x = 191,723,579.68

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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.