Home / 89,689,264.02-134,521,121.72-28,270,440.74

Finding the Fourth Proportional to 89,689,264.02, 134,521,121.72 and 28,270,440.74

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Solution

The fourth proportional to 89,689,264.02, 134,521,121.72 and 28,270,440.74 is: 42,401,634.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,689,264.02 : 134,521,121.72 = 28,270,440.74 : x
  2. Step 2: Convert to fraction form
    89,689,264.02/134,521,121.72 = 28,270,440.74/x
  3. Step 3: Cross multiply
    89,689,264.02x = 134,521,121.72 × 28,270,440.74
  4. Step 4: Simplify right side
    89,689,264.02x = 3,802,971,399,190,981
  5. Step 5: Solve for x
    x = 3,802,971,399,190,981/89,689,264.02
  6. Step 6: Final answer
    x = 42,401,634.59

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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.