Home / 89,019,023.40-133,528,535.10-73,902,479.40

Finding the Fourth Proportional to 89,019,023.40, 133,528,535.10 and 73,902,479.40

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Solution

The fourth proportional to 89,019,023.40, 133,528,535.10 and 73,902,479.40 is: 110,853,719.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,019,023.40 : 133,528,535.10 = 73,902,479.40 : x
  2. Step 2: Convert to fraction form
    89,019,023.40/133,528,535.10 = 73,902,479.40/x
  3. Step 3: Cross multiply
    89,019,023.40x = 133,528,535.10 × 73,902,479.40
  4. Step 4: Simplify right side
    89,019,023.40x = 9,868,089,814,539,928
  5. Step 5: Solve for x
    x = 9,868,089,814,539,928/89,019,023.40
  6. Step 6: Final answer
    x = 110,853,719.10

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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.