Home / 115,918,024.66-159,970,473.93-63,706,111.54

Finding the Fourth Proportional to 115,918,024.66, 159,970,473.93 and 63,706,111.54

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Solution

The fourth proportional to 115,918,024.66, 159,970,473.93 and 63,706,111.54 is: 87,916,412.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,918,024.66 : 159,970,473.93 = 63,706,111.54 : x
  2. Step 2: Convert to fraction form
    115,918,024.66/159,970,473.93 = 63,706,111.54/x
  3. Step 3: Cross multiply
    115,918,024.66x = 159,970,473.93 × 63,706,111.54
  4. Step 4: Simplify right side
    115,918,024.66x = 10,191,096,855,291,242
  5. Step 5: Solve for x
    x = 10,191,096,855,291,242/115,918,024.66
  6. Step 6: Final answer
    x = 87,916,412.35

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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.