Home / 152,730,972.64-210,775,682.84-90,009,717.76

Finding the Fourth Proportional to 152,730,972.64, 210,775,682.84 and 90,009,717.76

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Solution

The fourth proportional to 152,730,972.64, 210,775,682.84 and 90,009,717.76 is: 124,217,500.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,730,972.64 : 210,775,682.84 = 90,009,717.76 : x
  2. Step 2: Convert to fraction form
    152,730,972.64/210,775,682.84 = 90,009,717.76/x
  3. Step 3: Cross multiply
    152,730,972.64x = 210,775,682.84 × 90,009,717.76
  4. Step 4: Simplify right side
    152,730,972.64x = 18,971,859,723,099,676
  5. Step 5: Solve for x
    x = 18,971,859,723,099,676/152,730,972.64
  6. Step 6: Final answer
    x = 124,217,500.85

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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.