Home / 129,344,805.60-194,017,208.40-112,338,693.60

Finding the Fourth Proportional to 129,344,805.60, 194,017,208.40 and 112,338,693.60

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Solution

The fourth proportional to 129,344,805.60, 194,017,208.40 and 112,338,693.60 is: 168,508,040.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,344,805.60 : 194,017,208.40 = 112,338,693.60 : x
  2. Step 2: Convert to fraction form
    129,344,805.60/194,017,208.40 = 112,338,693.60/x
  3. Step 3: Cross multiply
    129,344,805.60x = 194,017,208.40 × 112,338,693.60
  4. Step 4: Simplify right side
    129,344,805.60x = 21,795,639,727,574,944
  5. Step 5: Solve for x
    x = 21,795,639,727,574,944/129,344,805.60
  6. Step 6: Final answer
    x = 168,508,040.40

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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.