Home / 77,714,301-107,146,045.92-63,724,110.60

Finding the Fourth Proportional to 77,714,301, 107,146,045.92 and 63,724,110.60

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Solution

The fourth proportional to 77,714,301, 107,146,045.92 and 63,724,110.60 is: 87,857,529.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,714,301 : 107,146,045.92 = 63,724,110.60 : x
  2. Step 2: Convert to fraction form
    77,714,301/107,146,045.92 = 63,724,110.60/x
  3. Step 3: Cross multiply
    77,714,301x = 107,146,045.92 × 63,724,110.60
  4. Step 4: Simplify right side
    77,714,301x = 6,827,786,480,558,759
  5. Step 5: Solve for x
    x = 6,827,786,480,558,759/77,714,301
  6. Step 6: Final answer
    x = 87,857,529.34

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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.