Home / 134,829,386.76-186,011,613.60-78,304,510.46

Finding the Fourth Proportional to 134,829,386.76, 186,011,613.60 and 78,304,510.46

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Solution

The fourth proportional to 134,829,386.76, 186,011,613.60 and 78,304,510.46 is: 108,029,478.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,829,386.76 : 186,011,613.60 = 78,304,510.46 : x
  2. Step 2: Convert to fraction form
    134,829,386.76/186,011,613.60 = 78,304,510.46/x
  3. Step 3: Cross multiply
    134,829,386.76x = 186,011,613.60 × 78,304,510.46
  4. Step 4: Simplify right side
    134,829,386.76x = 14,565,548,342,822,676
  5. Step 5: Solve for x
    x = 14,565,548,342,822,676/134,829,386.76
  6. Step 6: Final answer
    x = 108,029,478.53

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.