Home / 78,004,054.40-117,006,081.60-58,730,460.80

Finding the Fourth Proportional to 78,004,054.40, 117,006,081.60 and 58,730,460.80

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Solution

The fourth proportional to 78,004,054.40, 117,006,081.60 and 58,730,460.80 is: 88,095,691.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,004,054.40 : 117,006,081.60 = 58,730,460.80 : x
  2. Step 2: Convert to fraction form
    78,004,054.40/117,006,081.60 = 58,730,460.80/x
  3. Step 3: Cross multiply
    78,004,054.40x = 117,006,081.60 × 58,730,460.80
  4. Step 4: Simplify right side
    78,004,054.40x = 6,871,821,088,770,401
  5. Step 5: Solve for x
    x = 6,871,821,088,770,401/78,004,054.40
  6. Step 6: Final answer
    x = 88,095,691.20

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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.