Home / 186,625,041.60-279,937,562.40-128,995,550.40

Finding the Fourth Proportional to 186,625,041.60, 279,937,562.40 and 128,995,550.40

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Solution

The fourth proportional to 186,625,041.60, 279,937,562.40 and 128,995,550.40 is: 193,493,325.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,625,041.60 : 279,937,562.40 = 128,995,550.40 : x
  2. Step 2: Convert to fraction form
    186,625,041.60/279,937,562.40 = 128,995,550.40/x
  3. Step 3: Cross multiply
    186,625,041.60x = 279,937,562.40 × 128,995,550.40
  4. Step 4: Simplify right side
    186,625,041.60x = 36,110,699,939,422,344
  5. Step 5: Solve for x
    x = 36,110,699,939,422,344/186,625,041.60
  6. Step 6: Final answer
    x = 193,493,325.60

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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.