Home / 64,547,381.80-96,690,435.90-40,211,612.20

Finding the Fourth Proportional to 64,547,381.80, 96,690,435.90 and 40,211,612.20

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Solution

The fourth proportional to 64,547,381.80, 96,690,435.90 and 40,211,612.20 is: 60,236,034.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,547,381.80 : 96,690,435.90 = 40,211,612.20 : x
  2. Step 2: Convert to fraction form
    64,547,381.80/96,690,435.90 = 40,211,612.20/x
  3. Step 3: Cross multiply
    64,547,381.80x = 96,690,435.90 × 40,211,612.20
  4. Step 4: Simplify right side
    64,547,381.80x = 3,888,078,311,859,758.50
  5. Step 5: Solve for x
    x = 3,888,078,311,859,758.50/64,547,381.80
  6. Step 6: Final answer
    x = 60,236,034.42

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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.