Home / 166,490,155.62-249,821,343.52-120,808,650.02

Finding the Fourth Proportional to 166,490,155.62, 249,821,343.52 and 120,808,650.02

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Solution

The fourth proportional to 166,490,155.62, 249,821,343.52 and 120,808,650.02 is: 181,275,458.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,490,155.62 : 249,821,343.52 = 120,808,650.02 : x
  2. Step 2: Convert to fraction form
    166,490,155.62/249,821,343.52 = 120,808,650.02/x
  3. Step 3: Cross multiply
    166,490,155.62x = 249,821,343.52 × 120,808,650.02
  4. Step 4: Simplify right side
    166,490,155.62x = 30,180,579,255,282,748
  5. Step 5: Solve for x
    x = 30,180,579,255,282,748/166,490,155.62
  6. Step 6: Final answer
    x = 181,275,458.26

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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.