Home / 86,829,955.83-119,828,708.78-47,673,382.95

Finding the Fourth Proportional to 86,829,955.83, 119,828,708.78 and 47,673,382.95

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Solution

The fourth proportional to 86,829,955.83, 119,828,708.78 and 47,673,382.95 is: 65,791,118.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,829,955.83 : 119,828,708.78 = 47,673,382.95 : x
  2. Step 2: Convert to fraction form
    86,829,955.83/119,828,708.78 = 47,673,382.95/x
  3. Step 3: Cross multiply
    86,829,955.83x = 119,828,708.78 × 47,673,382.95
  4. Step 4: Simplify right side
    86,829,955.83x = 5,712,639,921,834,601
  5. Step 5: Solve for x
    x = 5,712,639,921,834,601/86,829,955.83
  6. Step 6: Final answer
    x = 65,791,118.60

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Why These Related Problems?

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