Home / 109,015,194.04-150,440,276.67-61,972,270

Finding the Fourth Proportional to 109,015,194.04, 150,440,276.67 and 61,972,270

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Solution

The fourth proportional to 109,015,194.04, 150,440,276.67 and 61,972,270 is: 85,521,339.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,015,194.04 : 150,440,276.67 = 61,972,270 : x
  2. Step 2: Convert to fraction form
    109,015,194.04/150,440,276.67 = 61,972,270/x
  3. Step 3: Cross multiply
    109,015,194.04x = 150,440,276.67 × 61,972,270
  4. Step 4: Simplify right side
    109,015,194.04x = 9,323,125,444,667,940
  5. Step 5: Solve for x
    x = 9,323,125,444,667,940/109,015,194.04
  6. Step 6: Final answer
    x = 85,521,339.72

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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.