Home / 42,697,219.91-64,049,767.07-13,943,506.19

Finding the Fourth Proportional to 42,697,219.91, 64,049,767.07 and 13,943,506.19

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Solution

The fourth proportional to 42,697,219.91, 64,049,767.07 and 13,943,506.19 is: 20,916,545.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,697,219.91 : 64,049,767.07 = 13,943,506.19 : x
  2. Step 2: Convert to fraction form
    42,697,219.91/64,049,767.07 = 13,943,506.19/x
  3. Step 3: Cross multiply
    42,697,219.91x = 64,049,767.07 × 13,943,506.19
  4. Step 4: Simplify right side
    42,697,219.91x = 893,078,323,218,636.75
  5. Step 5: Solve for x
    x = 893,078,323,218,636.75/42,697,219.91
  6. Step 6: Final answer
    x = 20,916,545.04

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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.