Home / 86,434,279.65-119,282,146.20-47,276,055.12

Finding the Fourth Proportional to 86,434,279.65, 119,282,146.20 and 47,276,055.12

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Solution

The fourth proportional to 86,434,279.65, 119,282,146.20 and 47,276,055.12 is: 65,242,509.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,434,279.65 : 119,282,146.20 = 47,276,055.12 : x
  2. Step 2: Convert to fraction form
    86,434,279.65/119,282,146.20 = 47,276,055.12/x
  3. Step 3: Cross multiply
    86,434,279.65x = 119,282,146.20 × 47,276,055.12
  4. Step 4: Simplify right side
    86,434,279.65x = 5,639,189,318,583,098
  5. Step 5: Solve for x
    x = 5,639,189,318,583,098/86,434,279.65
  6. Step 6: Final answer
    x = 65,242,509.59

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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.