Home / 86,748,980.68-119,731,216.17-58,880,671.57

Finding the Fourth Proportional to 86,748,980.68, 119,731,216.17 and 58,880,671.57

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Solution

The fourth proportional to 86,748,980.68, 119,731,216.17 and 58,880,671.57 is: 81,267,288.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,748,980.68 : 119,731,216.17 = 58,880,671.57 : x
  2. Step 2: Convert to fraction form
    86,748,980.68/119,731,216.17 = 58,880,671.57/x
  3. Step 3: Cross multiply
    86,748,980.68x = 119,731,216.17 × 58,880,671.57
  4. Step 4: Simplify right side
    86,748,980.68x = 7,049,854,415,982,443
  5. Step 5: Solve for x
    x = 7,049,854,415,982,443/86,748,980.68
  6. Step 6: Final answer
    x = 81,267,288.22

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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.