Home / 115,270,075.70-159,073,959.99-63,057,990.35

Finding the Fourth Proportional to 115,270,075.70, 159,073,959.99 and 63,057,990.35

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Solution

The fourth proportional to 115,270,075.70, 159,073,959.99 and 63,057,990.35 is: 87,020,713.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,270,075.70 : 159,073,959.99 = 63,057,990.35 : x
  2. Step 2: Convert to fraction form
    115,270,075.70/159,073,959.99 = 63,057,990.35/x
  3. Step 3: Cross multiply
    115,270,075.70x = 159,073,959.99 × 63,057,990.35
  4. Step 4: Simplify right side
    115,270,075.70x = 10,030,884,233,190,336
  5. Step 5: Solve for x
    x = 10,030,884,233,190,336/115,270,075.70
  6. Step 6: Final answer
    x = 87,020,713.51

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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.