Home / 72,294,661.40-99,600,141.88-49,946,238.12

Finding the Fourth Proportional to 72,294,661.40, 99,600,141.88 and 49,946,238.12

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Solution

The fourth proportional to 72,294,661.40, 99,600,141.88 and 49,946,238.12 is: 68,810,785.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,294,661.40 : 99,600,141.88 = 49,946,238.12 : x
  2. Step 2: Convert to fraction form
    72,294,661.40/99,600,141.88 = 49,946,238.12/x
  3. Step 3: Cross multiply
    72,294,661.40x = 99,600,141.88 × 49,946,238.12
  4. Step 4: Simplify right side
    72,294,661.40x = 4,974,652,403,124,264
  5. Step 5: Solve for x
    x = 4,974,652,403,124,264/72,294,661.40
  6. Step 6: Final answer
    x = 68,810,785.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.