Home / 90,170,090.42-124,421,449.52-50,475,558.06

Finding the Fourth Proportional to 90,170,090.42, 124,421,449.52 and 50,475,558.06

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Solution

The fourth proportional to 90,170,090.42, 124,421,449.52 and 50,475,558.06 is: 69,648,838.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,170,090.42 : 124,421,449.52 = 50,475,558.06 : x
  2. Step 2: Convert to fraction form
    90,170,090.42/124,421,449.52 = 50,475,558.06/x
  3. Step 3: Cross multiply
    90,170,090.42x = 124,421,449.52 × 50,475,558.06
  4. Step 4: Simplify right side
    90,170,090.42x = 6,280,242,098,903,742
  5. Step 5: Solve for x
    x = 6,280,242,098,903,742/90,170,090.42
  6. Step 6: Final answer
    x = 69,648,838.88

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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.