Home / 129,233,077.20-193,849,615.80-92,953,371.60

Finding the Fourth Proportional to 129,233,077.20, 193,849,615.80 and 92,953,371.60

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Solution

The fourth proportional to 129,233,077.20, 193,849,615.80 and 92,953,371.60 is: 139,430,057.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,233,077.20 : 193,849,615.80 = 92,953,371.60 : x
  2. Step 2: Convert to fraction form
    129,233,077.20/193,849,615.80 = 92,953,371.60/x
  3. Step 3: Cross multiply
    129,233,077.20x = 193,849,615.80 × 92,953,371.60
  4. Step 4: Simplify right side
    129,233,077.20x = 18,018,975,371,974,632
  5. Step 5: Solve for x
    x = 18,018,975,371,974,632/129,233,077.20
  6. Step 6: Final answer
    x = 139,430,057.40

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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.