Home / 137,246,674.34-205,876,632.70-45,128,373.02

Finding the Fourth Proportional to 137,246,674.34, 205,876,632.70 and 45,128,373.02

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Solution

The fourth proportional to 137,246,674.34, 205,876,632.70 and 45,128,373.02 is: 67,694,736.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,246,674.34 : 205,876,632.70 = 45,128,373.02 : x
  2. Step 2: Convert to fraction form
    137,246,674.34/205,876,632.70 = 45,128,373.02/x
  3. Step 3: Cross multiply
    137,246,674.34x = 205,876,632.70 × 45,128,373.02
  4. Step 4: Simplify right side
    137,246,674.34x = 9,290,877,476,587,130
  5. Step 5: Solve for x
    x = 9,290,877,476,587,130/137,246,674.34
  6. Step 6: Final answer
    x = 67,694,736.66

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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.