Home / 111,586,314.92-153,990,956.30-61,352,656.07

Finding the Fourth Proportional to 111,586,314.92, 153,990,956.30 and 61,352,656.07

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Solution

The fourth proportional to 111,586,314.92, 153,990,956.30 and 61,352,656.07 is: 84,667,677.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,586,314.92 : 153,990,956.30 = 61,352,656.07 : x
  2. Step 2: Convert to fraction form
    111,586,314.92/153,990,956.30 = 61,352,656.07/x
  3. Step 3: Cross multiply
    111,586,314.92x = 153,990,956.30 × 61,352,656.07
  4. Step 4: Simplify right side
    111,586,314.92x = 9,447,754,178,687,580
  5. Step 5: Solve for x
    x = 9,447,754,178,687,580/111,586,314.92
  6. Step 6: Final answer
    x = 84,667,677.98

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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.