Home / 49,779,074.80-74,656,170.60-19,066,985.20

Finding the Fourth Proportional to 49,779,074.80, 74,656,170.60 and 19,066,985.20

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Solution

The fourth proportional to 49,779,074.80, 74,656,170.60 and 19,066,985.20 is: 28,595,712.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,779,074.80 : 74,656,170.60 = 19,066,985.20 : x
  2. Step 2: Convert to fraction form
    49,779,074.80/74,656,170.60 = 19,066,985.20/x
  3. Step 3: Cross multiply
    49,779,074.80x = 74,656,170.60 × 19,066,985.20
  4. Step 4: Simplify right side
    49,779,074.80x = 1,423,468,099,918,875
  5. Step 5: Solve for x
    x = 1,423,468,099,918,875/49,779,074.80
  6. Step 6: Final answer
    x = 28,595,712.27

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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.