Home / 72,221,853.60-99,666,347.26-39,182,101.04

Finding the Fourth Proportional to 72,221,853.60, 99,666,347.26 and 39,182,101.04

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Solution

The fourth proportional to 72,221,853.60, 99,666,347.26 and 39,182,101.04 is: 54,071,402.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,221,853.60 : 99,666,347.26 = 39,182,101.04 : x
  2. Step 2: Convert to fraction form
    72,221,853.60/99,666,347.26 = 39,182,101.04/x
  3. Step 3: Cross multiply
    72,221,853.60x = 99,666,347.26 × 39,182,101.04
  4. Step 4: Simplify right side
    72,221,853.60x = 3,905,136,888,629,047.50
  5. Step 5: Solve for x
    x = 3,905,136,888,629,047.50/72,221,853.60
  6. Step 6: Final answer
    x = 54,071,402.13

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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.