Home / 120,833,189.60-181,182,592.08-40,010,067.68

Finding the Fourth Proportional to 120,833,189.60, 181,182,592.08 and 40,010,067.68

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Solution

The fourth proportional to 120,833,189.60, 181,182,592.08 and 40,010,067.68 is: 59,992,852.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,833,189.60 : 181,182,592.08 = 40,010,067.68 : x
  2. Step 2: Convert to fraction form
    120,833,189.60/181,182,592.08 = 40,010,067.68/x
  3. Step 3: Cross multiply
    120,833,189.60x = 181,182,592.08 × 40,010,067.68
  4. Step 4: Simplify right side
    120,833,189.60x = 7,249,127,771,558,632
  5. Step 5: Solve for x
    x = 7,249,127,771,558,632/120,833,189.60
  6. Step 6: Final answer
    x = 59,992,852.92

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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.