Home / 57,492,344.16-79,340,638.32-31,387,962.24

Finding the Fourth Proportional to 57,492,344.16, 79,340,638.32 and 31,387,962.24

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Solution

The fourth proportional to 57,492,344.16, 79,340,638.32 and 31,387,962.24 is: 43,316,044.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,492,344.16 : 79,340,638.32 = 31,387,962.24 : x
  2. Step 2: Convert to fraction form
    57,492,344.16/79,340,638.32 = 31,387,962.24/x
  3. Step 3: Cross multiply
    57,492,344.16x = 79,340,638.32 × 31,387,962.24
  4. Step 4: Simplify right side
    57,492,344.16x = 2,490,340,959,685,656.50
  5. Step 5: Solve for x
    x = 2,490,340,959,685,656.50/57,492,344.16
  6. Step 6: Final answer
    x = 43,316,044.88

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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.