Home / 55,427,088.16-76,487,799.12-30,646,847.24

Finding the Fourth Proportional to 55,427,088.16, 76,487,799.12 and 30,646,847.24

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Solution

The fourth proportional to 55,427,088.16, 76,487,799.12 and 30,646,847.24 is: 42,291,774.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,427,088.16 : 76,487,799.12 = 30,646,847.24 : x
  2. Step 2: Convert to fraction form
    55,427,088.16/76,487,799.12 = 30,646,847.24/x
  3. Step 3: Cross multiply
    55,427,088.16x = 76,487,799.12 × 30,646,847.24
  4. Step 4: Simplify right side
    55,427,088.16x = 2,344,109,895,354,446.50
  5. Step 5: Solve for x
    x = 2,344,109,895,354,446.50/55,427,088.16
  6. Step 6: Final answer
    x = 42,291,774.17

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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.