Home / 81,996,529.04-113,172,510.12-68,232,075.92

Finding the Fourth Proportional to 81,996,529.04, 113,172,510.12 and 68,232,075.92

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Solution

The fourth proportional to 81,996,529.04, 113,172,510.12 and 68,232,075.92 is: 94,174,660.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,996,529.04 : 113,172,510.12 = 68,232,075.92 : x
  2. Step 2: Convert to fraction form
    81,996,529.04/113,172,510.12 = 68,232,075.92/x
  3. Step 3: Cross multiply
    81,996,529.04x = 113,172,510.12 × 68,232,075.92
  4. Step 4: Simplify right side
    81,996,529.04x = 7,721,995,302,564,809
  5. Step 5: Solve for x
    x = 7,721,995,302,564,809/81,996,529.04
  6. Step 6: Final answer
    x = 94,174,660.72

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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.