Home / 345,197,065.40-517,795,598.10-89,895,433.40

Finding the Fourth Proportional to 345,197,065.40, 517,795,598.10 and 89,895,433.40

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Solution

The fourth proportional to 345,197,065.40, 517,795,598.10 and 89,895,433.40 is: 134,843,150.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,197,065.40 : 517,795,598.10 = 89,895,433.40 : x
  2. Step 2: Convert to fraction form
    345,197,065.40/517,795,598.10 = 89,895,433.40/x
  3. Step 3: Cross multiply
    345,197,065.40x = 517,795,598.10 × 89,895,433.40
  4. Step 4: Simplify right side
    345,197,065.40x = 46,547,459,703,811,720
  5. Step 5: Solve for x
    x = 46,547,459,703,811,720/345,197,065.40
  6. Step 6: Final answer
    x = 134,843,150.10

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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.