Home / 166,432,068.30-249,548,569.65-85,810,500.30

Finding the Fourth Proportional to 166,432,068.30, 249,548,569.65 and 85,810,500.30

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Solution

The fourth proportional to 166,432,068.30, 249,548,569.65 and 85,810,500.30 is: 128,664,432.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,432,068.30 : 249,548,569.65 = 85,810,500.30 : x
  2. Step 2: Convert to fraction form
    166,432,068.30/249,548,569.65 = 85,810,500.30/x
  3. Step 3: Cross multiply
    166,432,068.30x = 249,548,569.65 × 85,810,500.30
  4. Step 4: Simplify right side
    166,432,068.30x = 21,413,887,610,815,896
  5. Step 5: Solve for x
    x = 21,413,887,610,815,896/166,432,068.30
  6. Step 6: Final answer
    x = 128,664,432.46

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1.5x scale

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.