Home / 86,821,492.95-130,133,175.48-34,972,918.76

Finding the Fourth Proportional to 86,821,492.95, 130,133,175.48 and 34,972,918.76

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Solution

The fourth proportional to 86,821,492.95, 130,133,175.48 and 34,972,918.76 is: 52,419,473.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,821,492.95 : 130,133,175.48 = 34,972,918.76 : x
  2. Step 2: Convert to fraction form
    86,821,492.95/130,133,175.48 = 34,972,918.76/x
  3. Step 3: Cross multiply
    86,821,492.95x = 130,133,175.48 × 34,972,918.76
  4. Step 4: Simplify right side
    86,821,492.95x = 4,551,136,974,368,197
  5. Step 5: Solve for x
    x = 4,551,136,974,368,197/86,821,492.95
  6. Step 6: Final answer
    x = 52,419,473.79

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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.