Home / 77,562,610.52-107,035,677.60-42,280,410.20

Finding the Fourth Proportional to 77,562,610.52, 107,035,677.60 and 42,280,410.20

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Solution

The fourth proportional to 77,562,610.52, 107,035,677.60 and 42,280,410.20 is: 58,346,570.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,562,610.52 : 107,035,677.60 = 42,280,410.20 : x
  2. Step 2: Convert to fraction form
    77,562,610.52/107,035,677.60 = 42,280,410.20/x
  3. Step 3: Cross multiply
    77,562,610.52x = 107,035,677.60 × 42,280,410.20
  4. Step 4: Simplify right side
    77,562,610.52x = 4,525,512,354,962,952
  5. Step 5: Solve for x
    x = 4,525,512,354,962,952/77,562,610.52
  6. Step 6: Final answer
    x = 58,346,570.91

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1.5x scale

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.