Home / 121,277,796.90-181,916,695.35-48,529,428.90

Finding the Fourth Proportional to 121,277,796.90, 181,916,695.35 and 48,529,428.90

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Solution

The fourth proportional to 121,277,796.90, 181,916,695.35 and 48,529,428.90 is: 72,794,143.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,277,796.90 : 181,916,695.35 = 48,529,428.90 : x
  2. Step 2: Convert to fraction form
    121,277,796.90/181,916,695.35 = 48,529,428.90/x
  3. Step 3: Cross multiply
    121,277,796.90x = 181,916,695.35 × 48,529,428.90
  4. Step 4: Simplify right side
    121,277,796.90x = 8,828,313,332,710,785
  5. Step 5: Solve for x
    x = 8,828,313,332,710,785/121,277,796.90
  6. Step 6: Final answer
    x = 72,794,143.35

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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.