Home / 86,880,748.80-130,349,472-41,436,639.36

Finding the Fourth Proportional to 86,880,748.80, 130,349,472 and 41,436,639.36

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Solution

The fourth proportional to 86,880,748.80, 130,349,472 and 41,436,639.36 is: 62,168,479.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,880,748.80 : 130,349,472 = 41,436,639.36 : x
  2. Step 2: Convert to fraction form
    86,880,748.80/130,349,472 = 41,436,639.36/x
  3. Step 3: Cross multiply
    86,880,748.80x = 130,349,472 × 41,436,639.36
  4. Step 4: Simplify right side
    86,880,748.80x = 5,401,244,062,030,418
  5. Step 5: Solve for x
    x = 5,401,244,062,030,418/86,880,748.80
  6. Step 6: Final answer
    x = 62,168,479.63

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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.