Home / 86,456,280.04-129,729,121.18-37,968,215.40

Finding the Fourth Proportional to 86,456,280.04, 129,729,121.18 and 37,968,215.40

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Solution

The fourth proportional to 86,456,280.04, 129,729,121.18 and 37,968,215.40 is: 56,971,954.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,456,280.04 : 129,729,121.18 = 37,968,215.40 : x
  2. Step 2: Convert to fraction form
    86,456,280.04/129,729,121.18 = 37,968,215.40/x
  3. Step 3: Cross multiply
    86,456,280.04x = 129,729,121.18 × 37,968,215.40
  4. Step 4: Simplify right side
    86,456,280.04x = 4,925,583,216,614,942
  5. Step 5: Solve for x
    x = 4,925,583,216,614,942/86,456,280.04
  6. Step 6: Final answer
    x = 56,971,954.08

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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.