Home / 97,140,112.76-145,694,207.28-34,878,539.36

Finding the Fourth Proportional to 97,140,112.76, 145,694,207.28 and 34,878,539.36

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Solution

The fourth proportional to 97,140,112.76, 145,694,207.28 and 34,878,539.36 is: 52,312,077.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,140,112.76 : 145,694,207.28 = 34,878,539.36 : x
  2. Step 2: Convert to fraction form
    97,140,112.76/145,694,207.28 = 34,878,539.36/x
  3. Step 3: Cross multiply
    97,140,112.76x = 145,694,207.28 × 34,878,539.36
  4. Step 4: Simplify right side
    97,140,112.76x = 5,081,601,143,139,478
  5. Step 5: Solve for x
    x = 5,081,601,143,139,478/97,140,112.76
  6. Step 6: Final answer
    x = 52,312,077.87

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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.