Home / 341,721,981.20-512,533,205.40-99,359,613.20

Finding the Fourth Proportional to 341,721,981.20, 512,533,205.40 and 99,359,613.20

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Solution

The fourth proportional to 341,721,981.20, 512,533,205.40 and 99,359,613.20 is: 149,024,949.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,721,981.20 : 512,533,205.40 = 99,359,613.20 : x
  2. Step 2: Convert to fraction form
    341,721,981.20/512,533,205.40 = 99,359,613.20/x
  3. Step 3: Cross multiply
    341,721,981.20x = 512,533,205.40 × 99,359,613.20
  4. Step 4: Simplify right side
    341,721,981.20x = 50,925,101,040,700,152
  5. Step 5: Solve for x
    x = 50,925,101,040,700,152/341,721,981.20
  6. Step 6: Final answer
    x = 149,024,949.64

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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.