Home / 91,857,477.60-137,786,216.40-75,701,671.20

Finding the Fourth Proportional to 91,857,477.60, 137,786,216.40 and 75,701,671.20

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Solution

The fourth proportional to 91,857,477.60, 137,786,216.40 and 75,701,671.20 is: 113,552,506.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,857,477.60 : 137,786,216.40 = 75,701,671.20 : x
  2. Step 2: Convert to fraction form
    91,857,477.60/137,786,216.40 = 75,701,671.20/x
  3. Step 3: Cross multiply
    91,857,477.60x = 137,786,216.40 × 75,701,671.20
  4. Step 4: Simplify right side
    91,857,477.60x = 10,430,646,849,804,848
  5. Step 5: Solve for x
    x = 10,430,646,849,804,848/91,857,477.60
  6. Step 6: Final answer
    x = 113,552,506.80

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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.