Home / 56,007,550.80-84,011,326.20-42,570,622.80

Finding the Fourth Proportional to 56,007,550.80, 84,011,326.20 and 42,570,622.80

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Solution

The fourth proportional to 56,007,550.80, 84,011,326.20 and 42,570,622.80 is: 63,855,934.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,007,550.80 : 84,011,326.20 = 42,570,622.80 : x
  2. Step 2: Convert to fraction form
    56,007,550.80/84,011,326.20 = 42,570,622.80/x
  3. Step 3: Cross multiply
    56,007,550.80x = 84,011,326.20 × 42,570,622.80
  4. Step 4: Simplify right side
    56,007,550.80x = 3,576,414,478,587,957
  5. Step 5: Solve for x
    x = 3,576,414,478,587,957/56,007,550.80
  6. Step 6: Final answer
    x = 63,855,934.20

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1.5x scale

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.