Home / 64,547,306.80-96,690,323.40-40,211,537.20

Finding the Fourth Proportional to 64,547,306.80, 96,690,323.40 and 40,211,537.20

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Solution

The fourth proportional to 64,547,306.80, 96,690,323.40 and 40,211,537.20 is: 60,235,921.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,547,306.80 : 96,690,323.40 = 40,211,537.20 : x
  2. Step 2: Convert to fraction form
    64,547,306.80/96,690,323.40 = 40,211,537.20/x
  3. Step 3: Cross multiply
    64,547,306.80x = 96,690,323.40 × 40,211,537.20
  4. Step 4: Simplify right side
    64,547,306.80x = 3,888,066,536,279,131
  5. Step 5: Solve for x
    x = 3,888,066,536,279,131/64,547,306.80
  6. Step 6: Final answer
    x = 60,235,921.98

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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.