Home / 98,206,018.78-147,314,932.89-30,049,301.02

Finding the Fourth Proportional to 98,206,018.78, 147,314,932.89 and 30,049,301.02

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Solution

The fourth proportional to 98,206,018.78, 147,314,932.89 and 30,049,301.02 is: 45,075,758.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,206,018.78 : 147,314,932.89 = 30,049,301.02 : x
  2. Step 2: Convert to fraction form
    98,206,018.78/147,314,932.89 = 30,049,301.02/x
  3. Step 3: Cross multiply
    98,206,018.78x = 147,314,932.89 × 30,049,301.02
  4. Step 4: Simplify right side
    98,206,018.78x = 4,426,710,763,152,708
  5. Step 5: Solve for x
    x = 4,426,710,763,152,708/98,206,018.78
  6. Step 6: Final answer
    x = 45,075,758.27

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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.