Home / 259,762,823.40-358,472,583.02-140,685,421.08

Finding the Fourth Proportional to 259,762,823.40, 358,472,583.02 and 140,685,421.08

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Solution

The fourth proportional to 259,762,823.40, 358,472,583.02 and 140,685,421.08 is: 194,145,819.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,762,823.40 : 358,472,583.02 = 140,685,421.08 : x
  2. Step 2: Convert to fraction form
    259,762,823.40/358,472,583.02 = 140,685,421.08/x
  3. Step 3: Cross multiply
    259,762,823.40x = 358,472,583.02 × 140,685,421.08
  4. Step 4: Simplify right side
    259,762,823.40x = 50,431,866,286,731,920
  5. Step 5: Solve for x
    x = 50,431,866,286,731,920/259,762,823.40
  6. Step 6: Final answer
    x = 194,145,819.74

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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.