Home / 98,492,494.12-147,754,617.18-30,335,154.28

Finding the Fourth Proportional to 98,492,494.12, 147,754,617.18 and 30,335,154.28

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Solution

The fourth proportional to 98,492,494.12, 147,754,617.18 and 30,335,154.28 is: 45,507,621.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,492,494.12 : 147,754,617.18 = 30,335,154.28 : x
  2. Step 2: Convert to fraction form
    98,492,494.12/147,754,617.18 = 30,335,154.28/x
  3. Step 3: Cross multiply
    98,492,494.12x = 147,754,617.18 × 30,335,154.28
  4. Step 4: Simplify right side
    98,492,494.12x = 4,482,159,107,737,639
  5. Step 5: Solve for x
    x = 4,482,159,107,737,639/98,492,494.12
  6. Step 6: Final answer
    x = 45,507,621.14

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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.