Home / 57,781,681.20-86,685,352.20-19,442,113.20

Finding the Fourth Proportional to 57,781,681.20, 86,685,352.20 and 19,442,113.20

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Solution

The fourth proportional to 57,781,681.20, 86,685,352.20 and 19,442,113.20 is: 29,167,486.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,781,681.20 : 86,685,352.20 = 19,442,113.20 : x
  2. Step 2: Convert to fraction form
    57,781,681.20/86,685,352.20 = 19,442,113.20/x
  3. Step 3: Cross multiply
    57,781,681.20x = 86,685,352.20 × 19,442,113.20
  4. Step 4: Simplify right side
    57,781,681.20x = 1,685,346,430,254,269
  5. Step 5: Solve for x
    x = 1,685,346,430,254,269/57,781,681.20
  6. Step 6: Final answer
    x = 29,167,486.91

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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.