Home / 91,756,102.78-137,634,525.27-37,169,720.77

Finding the Fourth Proportional to 91,756,102.78, 137,634,525.27 and 37,169,720.77

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Solution

The fourth proportional to 91,756,102.78, 137,634,525.27 and 37,169,720.77 is: 55,754,731.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,756,102.78 : 137,634,525.27 = 37,169,720.77 : x
  2. Step 2: Convert to fraction form
    91,756,102.78/137,634,525.27 = 37,169,720.77/x
  3. Step 3: Cross multiply
    91,756,102.78x = 137,634,525.27 × 37,169,720.77
  4. Step 4: Simplify right side
    91,756,102.78x = 5,115,836,872,597,410
  5. Step 5: Solve for x
    x = 5,115,836,872,597,410/91,756,102.78
  6. Step 6: Final answer
    x = 55,754,731.48

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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.