Home / 59,900,979.11-89,861,401.59-21,029,341.95

Finding the Fourth Proportional to 59,900,979.11, 89,861,401.59 and 21,029,341.95

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Solution

The fourth proportional to 59,900,979.11, 89,861,401.59 and 21,029,341.95 is: 31,547,500.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,900,979.11 : 89,861,401.59 = 21,029,341.95 : x
  2. Step 2: Convert to fraction form
    59,900,979.11/89,861,401.59 = 21,029,341.95/x
  3. Step 3: Cross multiply
    59,900,979.11x = 89,861,401.59 × 21,029,341.95
  4. Step 4: Simplify right side
    59,900,979.11x = 1,889,726,142,037,236.75
  5. Step 5: Solve for x
    x = 1,889,726,142,037,236.75/59,900,979.11
  6. Step 6: Final answer
    x = 31,547,500.06

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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.