Home / 72,349,016.40-99,841,762.08-39,309,395.04

Finding the Fourth Proportional to 72,349,016.40, 99,841,762.08 and 39,309,395.04

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Solution

The fourth proportional to 72,349,016.40, 99,841,762.08 and 39,309,395.04 is: 54,247,030.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,349,016.40 : 99,841,762.08 = 39,309,395.04 : x
  2. Step 2: Convert to fraction form
    72,349,016.40/99,841,762.08 = 39,309,395.04/x
  3. Step 3: Cross multiply
    72,349,016.40x = 99,841,762.08 × 39,309,395.04
  4. Step 4: Simplify right side
    72,349,016.40x = 3,924,719,267,092,412
  5. Step 5: Solve for x
    x = 3,924,719,267,092,412/72,349,016.40
  6. Step 6: Final answer
    x = 54,247,030.05

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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.