Home / 77,490,019.20-116,152,084.80-26,324,630.40

Finding the Fourth Proportional to 77,490,019.20, 116,152,084.80 and 26,324,630.40

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Solution

The fourth proportional to 77,490,019.20, 116,152,084.80 and 26,324,630.40 is: 39,458,768.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,490,019.20 : 116,152,084.80 = 26,324,630.40 : x
  2. Step 2: Convert to fraction form
    77,490,019.20/116,152,084.80 = 26,324,630.40/x
  3. Step 3: Cross multiply
    77,490,019.20x = 116,152,084.80 × 26,324,630.40
  4. Step 4: Simplify right side
    77,490,019.20x = 3,057,660,702,549,457.50
  5. Step 5: Solve for x
    x = 3,057,660,702,549,457.50/77,490,019.20
  6. Step 6: Final answer
    x = 39,458,768.16

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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.