Home / 113,886,217.80-170,829,326.70-75,144,168.90

Finding the Fourth Proportional to 113,886,217.80, 170,829,326.70 and 75,144,168.90

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Solution

The fourth proportional to 113,886,217.80, 170,829,326.70 and 75,144,168.90 is: 112,716,253.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,886,217.80 : 170,829,326.70 = 75,144,168.90 : x
  2. Step 2: Convert to fraction form
    113,886,217.80/170,829,326.70 = 75,144,168.90/x
  3. Step 3: Cross multiply
    113,886,217.80x = 170,829,326.70 × 75,144,168.90
  4. Step 4: Simplify right side
    113,886,217.80x = 12,836,827,778,618,080
  5. Step 5: Solve for x
    x = 12,836,827,778,618,080/113,886,217.80
  6. Step 6: Final answer
    x = 112,716,253.35

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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.