Home / 129,353,510.67-194,019,335.73-41,913,176.91

Finding the Fourth Proportional to 129,353,510.67, 194,019,335.73 and 41,913,176.91

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Solution

The fourth proportional to 129,353,510.67, 194,019,335.73 and 41,913,176.91 is: 62,866,223.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,353,510.67 : 194,019,335.73 = 41,913,176.91 : x
  2. Step 2: Convert to fraction form
    129,353,510.67/194,019,335.73 = 41,913,176.91/x
  3. Step 3: Cross multiply
    129,353,510.67x = 194,019,335.73 × 41,913,176.91
  4. Step 4: Simplify right side
    129,353,510.67x = 8,131,966,742,412,173
  5. Step 5: Solve for x
    x = 8,131,966,742,412,173/129,353,510.67
  6. Step 6: Final answer
    x = 62,866,223.73

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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.