Home / 50,748,655.11-70,021,140.53-28,722,154.08

Finding the Fourth Proportional to 50,748,655.11, 70,021,140.53 and 28,722,154.08

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Solution

The fourth proportional to 50,748,655.11, 70,021,140.53 and 28,722,154.08 is: 39,629,779.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,748,655.11 : 70,021,140.53 = 28,722,154.08 : x
  2. Step 2: Convert to fraction form
    50,748,655.11/70,021,140.53 = 28,722,154.08/x
  3. Step 3: Cross multiply
    50,748,655.11x = 70,021,140.53 × 28,722,154.08
  4. Step 4: Simplify right side
    50,748,655.11x = 2,011,157,987,016,382.25
  5. Step 5: Solve for x
    x = 2,011,157,987,016,382.25/50,748,655.11
  6. Step 6: Final answer
    x = 39,629,779.01

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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.