Home / 144,133,080.70-216,199,621.05-142,789,387.90

Finding the Fourth Proportional to 144,133,080.70, 216,199,621.05 and 142,789,387.90

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Solution

The fourth proportional to 144,133,080.70, 216,199,621.05 and 142,789,387.90 is: 214,184,081.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,133,080.70 : 216,199,621.05 = 142,789,387.90 : x
  2. Step 2: Convert to fraction form
    144,133,080.70/216,199,621.05 = 142,789,387.90/x
  3. Step 3: Cross multiply
    144,133,080.70x = 216,199,621.05 × 142,789,387.90
  4. Step 4: Simplify right side
    144,133,080.70x = 30,871,011,553,941,460
  5. Step 5: Solve for x
    x = 30,871,011,553,941,460/144,133,080.70
  6. Step 6: Final answer
    x = 214,184,081.85

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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.