Home / 212,838,232.02-293,861,990.61-137,666,774.76

Finding the Fourth Proportional to 212,838,232.02, 293,861,990.61 and 137,666,774.76

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Solution

The fourth proportional to 212,838,232.02, 293,861,990.61 and 137,666,774.76 is: 190,074,086.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,838,232.02 : 293,861,990.61 = 137,666,774.76 : x
  2. Step 2: Convert to fraction form
    212,838,232.02/293,861,990.61 = 137,666,774.76/x
  3. Step 3: Cross multiply
    212,838,232.02x = 293,861,990.61 × 137,666,774.76
  4. Step 4: Simplify right side
    212,838,232.02x = 40,455,032,471,832,104
  5. Step 5: Solve for x
    x = 40,455,032,471,832,104/212,838,232.02
  6. Step 6: Final answer
    x = 190,074,086.26

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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.