Home / 72,452,780.67-99,985,666.64-41,512,329.39

Finding the Fourth Proportional to 72,452,780.67, 99,985,666.64 and 41,512,329.39

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Solution

The fourth proportional to 72,452,780.67, 99,985,666.64 and 41,512,329.39 is: 57,287,489.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,452,780.67 : 99,985,666.64 = 41,512,329.39 : x
  2. Step 2: Convert to fraction form
    72,452,780.67/99,985,666.64 = 41,512,329.39/x
  3. Step 3: Cross multiply
    72,452,780.67x = 99,985,666.64 × 41,512,329.39
  4. Step 4: Simplify right side
    72,452,780.67x = 4,150,637,927,630,853
  5. Step 5: Solve for x
    x = 4,150,637,927,630,853/72,452,780.67
  6. Step 6: Final answer
    x = 57,287,489.72

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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.