Home / 72,581,323.70-108,871,985.55-36,301,618.10

Finding the Fourth Proportional to 72,581,323.70, 108,871,985.55 and 36,301,618.10

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Solution

The fourth proportional to 72,581,323.70, 108,871,985.55 and 36,301,618.10 is: 54,452,427.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,581,323.70 : 108,871,985.55 = 36,301,618.10 : x
  2. Step 2: Convert to fraction form
    72,581,323.70/108,871,985.55 = 36,301,618.10/x
  3. Step 3: Cross multiply
    72,581,323.70x = 108,871,985.55 × 36,301,618.10
  4. Step 4: Simplify right side
    72,581,323.70x = 3,952,229,241,224,818.50
  5. Step 5: Solve for x
    x = 3,952,229,241,224,818.50/72,581,323.70
  6. Step 6: Final answer
    x = 54,452,427.15

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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.