Home / 131,132,038.66-196,663,784.96-38,990,962.10

Finding the Fourth Proportional to 131,132,038.66, 196,663,784.96 and 38,990,962.10

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Solution

The fourth proportional to 131,132,038.66, 196,663,784.96 and 38,990,962.10 is: 58,476,252.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,132,038.66 : 196,663,784.96 = 38,990,962.10 : x
  2. Step 2: Convert to fraction form
    131,132,038.66/196,663,784.96 = 38,990,962.10/x
  3. Step 3: Cross multiply
    131,132,038.66x = 196,663,784.96 × 38,990,962.10
  4. Step 4: Simplify right side
    131,132,038.66x = 7,668,110,186,407,047
  5. Step 5: Solve for x
    x = 7,668,110,186,407,047/131,132,038.66
  6. Step 6: Final answer
    x = 58,476,252.37

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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.