Home / 400,102,356.60-600,153,534.90-112,888,020.60

Finding the Fourth Proportional to 400,102,356.60, 600,153,534.90 and 112,888,020.60

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Solution

The fourth proportional to 400,102,356.60, 600,153,534.90 and 112,888,020.60 is: 169,332,030.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,102,356.60 : 600,153,534.90 = 112,888,020.60 : x
  2. Step 2: Convert to fraction form
    400,102,356.60/600,153,534.90 = 112,888,020.60/x
  3. Step 3: Cross multiply
    400,102,356.60x = 600,153,534.90 × 112,888,020.60
  4. Step 4: Simplify right side
    400,102,356.60x = 67,750,144,610,954,016
  5. Step 5: Solve for x
    x = 67,750,144,610,954,016/400,102,356.60
  6. Step 6: Final answer
    x = 169,332,030.90

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1.5x scale

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.