Home / 72,215,431.71-99,657,295.76-41,276,265.29

Finding the Fourth Proportional to 72,215,431.71, 99,657,295.76 and 41,276,265.29

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Solution

The fourth proportional to 72,215,431.71, 99,657,295.76 and 41,276,265.29 is: 56,961,246.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,215,431.71 : 99,657,295.76 = 41,276,265.29 : x
  2. Step 2: Convert to fraction form
    72,215,431.71/99,657,295.76 = 41,276,265.29/x
  3. Step 3: Cross multiply
    72,215,431.71x = 99,657,295.76 × 41,276,265.29
  4. Step 4: Simplify right side
    72,215,431.71x = 4,113,480,977,873,752.50
  5. Step 5: Solve for x
    x = 4,113,480,977,873,752.50/72,215,431.71
  6. Step 6: Final answer
    x = 56,961,246.10

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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.