Home / 135,067,178.51-202,620,946.20-42,953,921.63

Finding the Fourth Proportional to 135,067,178.51, 202,620,946.20 and 42,953,921.63

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Solution

The fourth proportional to 135,067,178.51, 202,620,946.20 and 42,953,921.63 is: 64,437,299.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,067,178.51 : 202,620,946.20 = 42,953,921.63 : x
  2. Step 2: Convert to fraction form
    135,067,178.51/202,620,946.20 = 42,953,921.63/x
  3. Step 3: Cross multiply
    135,067,178.51x = 202,620,946.20 × 42,953,921.63
  4. Step 4: Simplify right side
    135,067,178.51x = 8,703,364,243,671,246
  5. Step 5: Solve for x
    x = 8,703,364,243,671,246/135,067,178.51
  6. Step 6: Final answer
    x = 64,437,299.57

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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.