Home / 100,562,314.41-150,762,070.02-31,439,537.71

Finding the Fourth Proportional to 100,562,314.41, 150,762,070.02 and 31,439,537.71

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Solution

The fourth proportional to 100,562,314.41, 150,762,070.02 and 31,439,537.71 is: 47,133,857.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,562,314.41 : 150,762,070.02 = 31,439,537.71 : x
  2. Step 2: Convert to fraction form
    100,562,314.41/150,762,070.02 = 31,439,537.71/x
  3. Step 3: Cross multiply
    100,562,314.41x = 150,762,070.02 × 31,439,537.71
  4. Step 4: Simplify right side
    100,562,314.41x = 4,739,889,785,631,451
  5. Step 5: Solve for x
    x = 4,739,889,785,631,451/100,562,314.41
  6. Step 6: Final answer
    x = 47,133,857.38

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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.