Home / 42,575,726.43-63,630,327.29-31,085,419.19

Finding the Fourth Proportional to 42,575,726.43, 63,630,327.29 and 31,085,419.19

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Solution

The fourth proportional to 42,575,726.43, 63,630,327.29 and 31,085,419.19 is: 46,457,819.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,575,726.43 : 63,630,327.29 = 31,085,419.19 : x
  2. Step 2: Convert to fraction form
    42,575,726.43/63,630,327.29 = 31,085,419.19/x
  3. Step 3: Cross multiply
    42,575,726.43x = 63,630,327.29 × 31,085,419.19
  4. Step 4: Simplify right side
    42,575,726.43x = 1,977,975,396,851,119.50
  5. Step 5: Solve for x
    x = 1,977,975,396,851,119.50/42,575,726.43
  6. Step 6: Final answer
    x = 46,457,819.11

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.