Home / 219,433,478.20-329,139,719.70-73,852,761.40

Finding the Fourth Proportional to 219,433,478.20, 329,139,719.70 and 73,852,761.40

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Solution

The fourth proportional to 219,433,478.20, 329,139,719.70 and 73,852,761.40 is: 110,775,609.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,433,478.20 : 329,139,719.70 = 73,852,761.40 : x
  2. Step 2: Convert to fraction form
    219,433,478.20/329,139,719.70 = 73,852,761.40/x
  3. Step 3: Cross multiply
    219,433,478.20x = 329,139,719.70 × 73,852,761.40
  4. Step 4: Simplify right side
    219,433,478.20x = 24,307,877,186,266,980
  5. Step 5: Solve for x
    x = 24,307,877,186,266,980/219,433,478.20
  6. Step 6: Final answer
    x = 110,775,609.02

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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.