Home / 90,410,937-124,766,213.40-49,157,829.24

Finding the Fourth Proportional to 90,410,937, 124,766,213.40 and 49,157,829.24

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Solution

The fourth proportional to 90,410,937, 124,766,213.40 and 49,157,829.24 is: 67,837,326.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,410,937 : 124,766,213.40 = 49,157,829.24 : x
  2. Step 2: Convert to fraction form
    90,410,937/124,766,213.40 = 49,157,829.24/x
  3. Step 3: Cross multiply
    90,410,937x = 124,766,213.40 × 49,157,829.24
  4. Step 4: Simplify right side
    90,410,937x = 6,133,236,213,238,600
  5. Step 5: Solve for x
    x = 6,133,236,213,238,600/90,410,937
  6. Step 6: Final answer
    x = 67,837,326.07

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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.