Home / 189,506,696.55-284,012,378.01-137,160,621.96

Finding the Fourth Proportional to 189,506,696.55, 284,012,378.01 and 137,160,621.96

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Solution

The fourth proportional to 189,506,696.55, 284,012,378.01 and 137,160,621.96 is: 205,561,677.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,506,696.55 : 284,012,378.01 = 137,160,621.96 : x
  2. Step 2: Convert to fraction form
    189,506,696.55/284,012,378.01 = 137,160,621.96/x
  3. Step 3: Cross multiply
    189,506,696.55x = 284,012,378.01 × 137,160,621.96
  4. Step 4: Simplify right side
    189,506,696.55x = 38,955,314,412,190,232
  5. Step 5: Solve for x
    x = 38,955,314,412,190,232/189,506,696.55
  6. Step 6: Final answer
    x = 205,561,677.35

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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.