Home / 131,558,445.48-181,546,561.80-75,803,981.16

Finding the Fourth Proportional to 131,558,445.48, 181,546,561.80 and 75,803,981.16

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Solution

The fourth proportional to 131,558,445.48, 181,546,561.80 and 75,803,981.16 is: 104,607,135.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,558,445.48 : 181,546,561.80 = 75,803,981.16 : x
  2. Step 2: Convert to fraction form
    131,558,445.48/181,546,561.80 = 75,803,981.16/x
  3. Step 3: Cross multiply
    131,558,445.48x = 181,546,561.80 × 75,803,981.16
  4. Step 4: Simplify right side
    131,558,445.48x = 13,761,952,150,349,976
  5. Step 5: Solve for x
    x = 13,761,952,150,349,976/131,558,445.48
  6. Step 6: Final answer
    x = 104,607,135.64

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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.