Home / 147,306,576.84-221,023,589.58-79,069,610.76

Finding the Fourth Proportional to 147,306,576.84, 221,023,589.58 and 79,069,610.76

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Solution

The fourth proportional to 147,306,576.84, 221,023,589.58 and 79,069,610.76 is: 118,638,621.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,306,576.84 : 221,023,589.58 = 79,069,610.76 : x
  2. Step 2: Convert to fraction form
    147,306,576.84/221,023,589.58 = 79,069,610.76/x
  3. Step 3: Cross multiply
    147,306,576.84x = 221,023,589.58 × 79,069,610.76
  4. Step 4: Simplify right side
    147,306,576.84x = 17,476,249,196,868,594
  5. Step 5: Solve for x
    x = 17,476,249,196,868,594/147,306,576.84
  6. Step 6: Final answer
    x = 118,638,621.38

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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.