Home / 351,357,910.34-526,930,632.65-105,649,319.41

Finding the Fourth Proportional to 351,357,910.34, 526,930,632.65 and 105,649,319.41

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Solution

The fourth proportional to 351,357,910.34, 526,930,632.65 and 105,649,319.41 is: 158,442,036.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,357,910.34 : 526,930,632.65 = 105,649,319.41 : x
  2. Step 2: Convert to fraction form
    351,357,910.34/526,930,632.65 = 105,649,319.41/x
  3. Step 3: Cross multiply
    351,357,910.34x = 526,930,632.65 × 105,649,319.41
  4. Step 4: Simplify right side
    351,357,910.34x = 55,669,862,714,700,016
  5. Step 5: Solve for x
    x = 55,669,862,714,700,016/351,357,910.34
  6. Step 6: Final answer
    x = 158,442,036.10

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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.