Home / 124,414,737.40-171,756,889.59-90,886,566.97

Finding the Fourth Proportional to 124,414,737.40, 171,756,889.59 and 90,886,566.97

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Solution

The fourth proportional to 124,414,737.40, 171,756,889.59 and 90,886,566.97 is: 125,470,618.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,414,737.40 : 171,756,889.59 = 90,886,566.97 : x
  2. Step 2: Convert to fraction form
    124,414,737.40/171,756,889.59 = 90,886,566.97/x
  3. Step 3: Cross multiply
    124,414,737.40x = 171,756,889.59 × 90,886,566.97
  4. Step 4: Simplify right side
    124,414,737.40x = 15,610,394,048,280,430
  5. Step 5: Solve for x
    x = 15,610,394,048,280,430/124,414,737.40
  6. Step 6: Final answer
    x = 125,470,618.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.