Home / 250,516,909,470.87-345,724,719,256.65-147,638,371,153.95

Finding the Fourth Proportional to 250,516,909,470.87, 345,724,719,256.65 and 147,638,371,153.95

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Solution

The fourth proportional to 250,516,909,470.87, 345,724,719,256.65 and 147,638,371,153.95 is: 203,747,661,291.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,516,909,470.87 : 345,724,719,256.65 = 147,638,371,153.95 : x
  2. Step 2: Convert to fraction form
    250,516,909,470.87/345,724,719,256.65 = 147,638,371,153.95/x
  3. Step 3: Cross multiply
    250,516,909,470.87x = 345,724,719,256.65 × 147,638,371,153.95
  4. Step 4: Simplify right side
    250,516,909,470.87x = 51,042,234,418,708,464,271,360
  5. Step 5: Solve for x
    x = 51,042,234,418,708,464,271,360/250,516,909,470.87
  6. Step 6: Final answer
    x = 203,747,661,291.68

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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.