Home / 86,972,791.68-130,175,307.36-63,937,628.28

Finding the Fourth Proportional to 86,972,791.68, 130,175,307.36 and 63,937,628.28

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Solution

The fourth proportional to 86,972,791.68, 130,175,307.36 and 63,937,628.28 is: 95,697,749.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,972,791.68 : 130,175,307.36 = 63,937,628.28 : x
  2. Step 2: Convert to fraction form
    86,972,791.68/130,175,307.36 = 63,937,628.28/x
  3. Step 3: Cross multiply
    86,972,791.68x = 130,175,307.36 × 63,937,628.28
  4. Step 4: Simplify right side
    86,972,791.68x = 8,323,100,413,218,428
  5. Step 5: Solve for x
    x = 8,323,100,413,218,428/86,972,791.68
  6. Step 6: Final answer
    x = 95,697,749.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.