Home / 56,918,443.44-78,547,476.24-30,812,960.64

Finding the Fourth Proportional to 56,918,443.44, 78,547,476.24 and 30,812,960.64

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Solution

The fourth proportional to 56,918,443.44, 78,547,476.24 and 30,812,960.64 is: 42,521,898.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,918,443.44 : 78,547,476.24 = 30,812,960.64 : x
  2. Step 2: Convert to fraction form
    56,918,443.44/78,547,476.24 = 30,812,960.64/x
  3. Step 3: Cross multiply
    56,918,443.44x = 78,547,476.24 × 30,812,960.64
  4. Step 4: Simplify right side
    56,918,443.44x = 2,420,280,293,754,455
  5. Step 5: Solve for x
    x = 2,420,280,293,754,455/56,918,443.44
  6. Step 6: Final answer
    x = 42,521,898.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.