Home / 42,286,155.40-63,429,233.10-37,079,345.80

Finding the Fourth Proportional to 42,286,155.40, 63,429,233.10 and 37,079,345.80

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Solution

The fourth proportional to 42,286,155.40, 63,429,233.10 and 37,079,345.80 is: 55,619,018.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,286,155.40 : 63,429,233.10 = 37,079,345.80 : x
  2. Step 2: Convert to fraction form
    42,286,155.40/63,429,233.10 = 37,079,345.80/x
  3. Step 3: Cross multiply
    42,286,155.40x = 63,429,233.10 × 37,079,345.80
  4. Step 4: Simplify right side
    42,286,155.40x = 2,351,914,467,943,706
  5. Step 5: Solve for x
    x = 2,351,914,467,943,706/42,286,155.40
  6. Step 6: Final answer
    x = 55,619,018.70

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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.