Home / 98,492,493.62-147,754,616.43-30,335,153.78

Finding the Fourth Proportional to 98,492,493.62, 147,754,616.43 and 30,335,153.78

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Solution

The fourth proportional to 98,492,493.62, 147,754,616.43 and 30,335,153.78 is: 45,507,620.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,492,493.62 : 147,754,616.43 = 30,335,153.78 : x
  2. Step 2: Convert to fraction form
    98,492,493.62/147,754,616.43 = 30,335,153.78/x
  3. Step 3: Cross multiply
    98,492,493.62x = 147,754,616.43 × 30,335,153.78
  4. Step 4: Simplify right side
    98,492,493.62x = 4,482,159,011,108,965
  5. Step 5: Solve for x
    x = 4,482,159,011,108,965/98,492,493.62
  6. Step 6: Final answer
    x = 45,507,620.39

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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.