Home / 55,616,410.80-83,424,616.20-47,218,330.80

Finding the Fourth Proportional to 55,616,410.80, 83,424,616.20 and 47,218,330.80

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Solution

The fourth proportional to 55,616,410.80, 83,424,616.20 and 47,218,330.80 is: 70,827,496.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,616,410.80 : 83,424,616.20 = 47,218,330.80 : x
  2. Step 2: Convert to fraction form
    55,616,410.80/83,424,616.20 = 47,218,330.80/x
  3. Step 3: Cross multiply
    55,616,410.80x = 83,424,616.20 × 47,218,330.80
  4. Step 4: Simplify right side
    55,616,410.80x = 3,939,171,124,594,639
  5. Step 5: Solve for x
    x = 3,939,171,124,594,639/55,616,410.80
  6. Step 6: Final answer
    x = 70,827,496.20

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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.