Home / 118,889,708.15-178,334,562.23-86,473,119.35

Finding the Fourth Proportional to 118,889,708.15, 178,334,562.23 and 86,473,119.35

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Solution

The fourth proportional to 118,889,708.15, 178,334,562.23 and 86,473,119.35 is: 129,709,679.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,889,708.15 : 178,334,562.23 = 86,473,119.35 : x
  2. Step 2: Convert to fraction form
    118,889,708.15/178,334,562.23 = 86,473,119.35/x
  3. Step 3: Cross multiply
    118,889,708.15x = 178,334,562.23 × 86,473,119.35
  4. Step 4: Simplify right side
    118,889,708.15x = 15,421,145,883,944,790
  5. Step 5: Solve for x
    x = 15,421,145,883,944,790/118,889,708.15
  6. Step 6: Final answer
    x = 129,709,679.03

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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.