Home / 124,809,968.40-187,214,952.60-56,785,520.40

Finding the Fourth Proportional to 124,809,968.40, 187,214,952.60 and 56,785,520.40

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Solution

The fourth proportional to 124,809,968.40, 187,214,952.60 and 56,785,520.40 is: 85,178,280.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,809,968.40 : 187,214,952.60 = 56,785,520.40 : x
  2. Step 2: Convert to fraction form
    124,809,968.40/187,214,952.60 = 56,785,520.40/x
  3. Step 3: Cross multiply
    124,809,968.40x = 187,214,952.60 × 56,785,520.40
  4. Step 4: Simplify right side
    124,809,968.40x = 10,631,098,510,052,332
  5. Step 5: Solve for x
    x = 10,631,098,510,052,332/124,809,968.40
  6. Step 6: Final answer
    x = 85,178,280.60

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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.