Home / 77,763,486.60-116,645,229.90-60,631,403.40

Finding the Fourth Proportional to 77,763,486.60, 116,645,229.90 and 60,631,403.40

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Solution

The fourth proportional to 77,763,486.60, 116,645,229.90 and 60,631,403.40 is: 90,947,105.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,763,486.60 : 116,645,229.90 = 60,631,403.40 : x
  2. Step 2: Convert to fraction form
    77,763,486.60/116,645,229.90 = 60,631,403.40/x
  3. Step 3: Cross multiply
    77,763,486.60x = 116,645,229.90 × 60,631,403.40
  4. Step 4: Simplify right side
    77,763,486.60x = 7,072,363,988,752,642
  5. Step 5: Solve for x
    x = 7,072,363,988,752,642/77,763,486.60
  6. Step 6: Final answer
    x = 90,947,105.10

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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.