Home / 71,130,919.68-98,160,769.08-38,535,871.68

Finding the Fourth Proportional to 71,130,919.68, 98,160,769.08 and 38,535,871.68

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Solution

The fourth proportional to 71,130,919.68, 98,160,769.08 and 38,535,871.68 is: 53,179,557.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,130,919.68 : 98,160,769.08 = 38,535,871.68 : x
  2. Step 2: Convert to fraction form
    71,130,919.68/98,160,769.08 = 38,535,871.68/x
  3. Step 3: Cross multiply
    71,130,919.68x = 98,160,769.08 × 38,535,871.68
  4. Step 4: Simplify right side
    71,130,919.68x = 3,782,710,801,276,991.50
  5. Step 5: Solve for x
    x = 3,782,710,801,276,991.50/71,130,919.68
  6. Step 6: Final answer
    x = 53,179,557.05

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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.