Home / 57,956,138.90-86,934,208.35-42,650,638.10

Finding the Fourth Proportional to 57,956,138.90, 86,934,208.35 and 42,650,638.10

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Solution

The fourth proportional to 57,956,138.90, 86,934,208.35 and 42,650,638.10 is: 63,975,957.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,956,138.90 : 86,934,208.35 = 42,650,638.10 : x
  2. Step 2: Convert to fraction form
    57,956,138.90/86,934,208.35 = 42,650,638.10/x
  3. Step 3: Cross multiply
    57,956,138.90x = 86,934,208.35 × 42,650,638.10
  4. Step 4: Simplify right side
    57,956,138.90x = 3,707,799,458,845,848
  5. Step 5: Solve for x
    x = 3,707,799,458,845,848/57,956,138.90
  6. Step 6: Final answer
    x = 63,975,957.15

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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.