Home / 82,863,007.20-124,294,510.80-70,108,423.20

Finding the Fourth Proportional to 82,863,007.20, 124,294,510.80 and 70,108,423.20

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Solution

The fourth proportional to 82,863,007.20, 124,294,510.80 and 70,108,423.20 is: 105,162,634.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,863,007.20 : 124,294,510.80 = 70,108,423.20 : x
  2. Step 2: Convert to fraction form
    82,863,007.20/124,294,510.80 = 70,108,423.20/x
  3. Step 3: Cross multiply
    82,863,007.20x = 124,294,510.80 × 70,108,423.20
  4. Step 4: Simplify right side
    82,863,007.20x = 8,714,092,164,603,371
  5. Step 5: Solve for x
    x = 8,714,092,164,603,371/82,863,007.20
  6. Step 6: Final answer
    x = 105,162,634.80

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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.