Home / 351,357,911.84-526,930,634.90-105,649,320.92

Finding the Fourth Proportional to 351,357,911.84, 526,930,634.90 and 105,649,320.92

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Solution

The fourth proportional to 351,357,911.84, 526,930,634.90 and 105,649,320.92 is: 158,442,038.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,357,911.84 : 526,930,634.90 = 105,649,320.92 : x
  2. Step 2: Convert to fraction form
    351,357,911.84/526,930,634.90 = 105,649,320.92/x
  3. Step 3: Cross multiply
    351,357,911.84x = 526,930,634.90 × 105,649,320.92
  4. Step 4: Simplify right side
    351,357,911.84x = 55,669,863,745,966,552
  5. Step 5: Solve for x
    x = 55,669,863,745,966,552/351,357,911.84
  6. Step 6: Final answer
    x = 158,442,038.36

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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.