Home / 100,966,561.40-151,569,416.33-57,282,111.20

Finding the Fourth Proportional to 100,966,561.40, 151,569,416.33 and 57,282,111.20

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Solution

The fourth proportional to 100,966,561.40, 151,569,416.33 and 57,282,111.20 is: 85,991,005.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,966,561.40 : 151,569,416.33 = 57,282,111.20 : x
  2. Step 2: Convert to fraction form
    100,966,561.40/151,569,416.33 = 57,282,111.20/x
  3. Step 3: Cross multiply
    100,966,561.40x = 151,569,416.33 × 57,282,111.20
  4. Step 4: Simplify right side
    100,966,561.40x = 8,682,216,160,734,157
  5. Step 5: Solve for x
    x = 8,682,216,160,734,157/100,966,561.40
  6. Step 6: Final answer
    x = 85,991,005.74

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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.