Home / 131,613,461.10-181,632,054.24-72,876,124.53

Finding the Fourth Proportional to 131,613,461.10, 181,632,054.24 and 72,876,124.53

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Solution

The fourth proportional to 131,613,461.10, 181,632,054.24 and 72,876,124.53 is: 100,572,085.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,613,461.10 : 181,632,054.24 = 72,876,124.53 : x
  2. Step 2: Convert to fraction form
    131,613,461.10/181,632,054.24 = 72,876,124.53/x
  3. Step 3: Cross multiply
    131,613,461.10x = 181,632,054.24 × 72,876,124.53
  4. Step 4: Simplify right side
    131,613,461.10x = 13,236,640,203,433,956
  5. Step 5: Solve for x
    x = 13,236,640,203,433,956/131,613,461.10
  6. Step 6: Final answer
    x = 100,572,085.05

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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.