Home / 115,698,619.89-159,663,657.47-63,488,529.27

Finding the Fourth Proportional to 115,698,619.89, 159,663,657.47 and 63,488,529.27

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Solution

The fourth proportional to 115,698,619.89, 159,663,657.47 and 63,488,529.27 is: 87,613,930.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,698,619.89 : 159,663,657.47 = 63,488,529.27 : x
  2. Step 2: Convert to fraction form
    115,698,619.89/159,663,657.47 = 63,488,529.27/x
  3. Step 3: Cross multiply
    115,698,619.89x = 159,663,657.47 × 63,488,529.27
  4. Step 4: Simplify right side
    115,698,619.89x = 10,136,810,790,321,908
  5. Step 5: Solve for x
    x = 10,136,810,790,321,908/115,698,619.89
  6. Step 6: Final answer
    x = 87,613,930.05

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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.