Home / 217,829,276.64-300,610,701.36-120,050,431.20

Finding the Fourth Proportional to 217,829,276.64, 300,610,701.36 and 120,050,431.20

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Solution

The fourth proportional to 217,829,276.64, 300,610,701.36 and 120,050,431.20 is: 165,673,066.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,829,276.64 : 300,610,701.36 = 120,050,431.20 : x
  2. Step 2: Convert to fraction form
    217,829,276.64/300,610,701.36 = 120,050,431.20/x
  3. Step 3: Cross multiply
    217,829,276.64x = 300,610,701.36 × 120,050,431.20
  4. Step 4: Simplify right side
    217,829,276.64x = 36,088,444,321,602,432
  5. Step 5: Solve for x
    x = 36,088,444,321,602,432/217,829,276.64
  6. Step 6: Final answer
    x = 165,673,066.90

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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.