Home / 86,339,657.70-129,576,645.47-60,262,551.11

Finding the Fourth Proportional to 86,339,657.70, 129,576,645.47 and 60,262,551.11

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Solution

The fourth proportional to 86,339,657.70, 129,576,645.47 and 60,262,551.11 is: 90,440,701.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,339,657.70 : 129,576,645.47 = 60,262,551.11 : x
  2. Step 2: Convert to fraction form
    86,339,657.70/129,576,645.47 = 60,262,551.11/x
  3. Step 3: Cross multiply
    86,339,657.70x = 129,576,645.47 × 60,262,551.11
  4. Step 4: Simplify right side
    86,339,657.70x = 7,808,619,220,772,822
  5. Step 5: Solve for x
    x = 7,808,619,220,772,822/86,339,657.70
  6. Step 6: Final answer
    x = 90,440,701.63

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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.