Home / 66,298,389.20-99,279,622.20-52,861,461.20

Finding the Fourth Proportional to 66,298,389.20, 99,279,622.20 and 52,861,461.20

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Solution

The fourth proportional to 66,298,389.20, 99,279,622.20 and 52,861,461.20 is: 79,158,271.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,298,389.20 : 99,279,622.20 = 52,861,461.20 : x
  2. Step 2: Convert to fraction form
    66,298,389.20/99,279,622.20 = 52,861,461.20/x
  3. Step 3: Cross multiply
    66,298,389.20x = 99,279,622.20 × 52,861,461.20
  4. Step 4: Simplify right side
    66,298,389.20x = 5,248,065,896,875,959
  5. Step 5: Solve for x
    x = 5,248,065,896,875,959/66,298,389.20
  6. Step 6: Final answer
    x = 79,158,271.57

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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.