Home / 82,121,748,203.52-123,196,528,938.24-28,324,276,058.88

Finding the Fourth Proportional to 82,121,748,203.52, 123,196,528,938.24 and 28,324,276,058.88

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Solution

The fourth proportional to 82,121,748,203.52, 123,196,528,938.24 and 28,324,276,058.88 is: 42,491,210,568.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,121,748,203.52 : 123,196,528,938.24 = 28,324,276,058.88 : x
  2. Step 2: Convert to fraction form
    82,121,748,203.52/123,196,528,938.24 = 28,324,276,058.88/x
  3. Step 3: Cross multiply
    82,121,748,203.52x = 123,196,528,938.24 × 28,324,276,058.88
  4. Step 4: Simplify right side
    82,121,748,203.52x = 3,489,452,495,142,508,822,528
  5. Step 5: Solve for x
    x = 3,489,452,495,142,508,822,528/82,121,748,203.52
  6. Step 6: Final answer
    x = 42,491,210,568.18

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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.