Home / 129,934,401.40-194,901,602.10-43,644,129.40

Finding the Fourth Proportional to 129,934,401.40, 194,901,602.10 and 43,644,129.40

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Solution

The fourth proportional to 129,934,401.40, 194,901,602.10 and 43,644,129.40 is: 65,466,194.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,934,401.40 : 194,901,602.10 = 43,644,129.40 : x
  2. Step 2: Convert to fraction form
    129,934,401.40/194,901,602.10 = 43,644,129.40/x
  3. Step 3: Cross multiply
    129,934,401.40x = 194,901,602.10 × 43,644,129.40
  4. Step 4: Simplify right side
    129,934,401.40x = 8,506,310,742,319,711
  5. Step 5: Solve for x
    x = 8,506,310,742,319,711/129,934,401.40
  6. Step 6: Final answer
    x = 65,466,194.10

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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.