Home / 154,063,191.84-212,483,236.02-135,438,509.90

Finding the Fourth Proportional to 154,063,191.84, 212,483,236.02 and 135,438,509.90

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Solution

The fourth proportional to 154,063,191.84, 212,483,236.02 and 135,438,509.90 is: 186,796,161.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,063,191.84 : 212,483,236.02 = 135,438,509.90 : x
  2. Step 2: Convert to fraction form
    154,063,191.84/212,483,236.02 = 135,438,509.90/x
  3. Step 3: Cross multiply
    154,063,191.84x = 212,483,236.02 × 135,438,509.90
  4. Step 4: Simplify right side
    154,063,191.84x = 28,778,412,865,278,808
  5. Step 5: Solve for x
    x = 28,778,412,865,278,808/154,063,191.84
  6. Step 6: Final answer
    x = 186,796,161.51

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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.