Home / 90,165,324.60-124,430,924.88-51,006,315.96

Finding the Fourth Proportional to 90,165,324.60, 124,430,924.88 and 51,006,315.96

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Solution

The fourth proportional to 90,165,324.60, 124,430,924.88 and 51,006,315.96 is: 70,390,286.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,165,324.60 : 124,430,924.88 = 51,006,315.96 : x
  2. Step 2: Convert to fraction form
    90,165,324.60/124,430,924.88 = 51,006,315.96/x
  3. Step 3: Cross multiply
    90,165,324.60x = 124,430,924.88 × 51,006,315.96
  4. Step 4: Simplify right side
    90,165,324.60x = 6,346,763,069,624,305
  5. Step 5: Solve for x
    x = 6,346,763,069,624,305/90,165,324.60
  6. Step 6: Final answer
    x = 70,390,286.93

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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.