Home / 189,921,261.83-284,733,068.28-74,991,831.17

Finding the Fourth Proportional to 189,921,261.83, 284,733,068.28 and 74,991,831.17

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Solution

The fourth proportional to 189,921,261.83, 284,733,068.28 and 74,991,831.17 is: 112,428,982.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,921,261.83 : 284,733,068.28 = 74,991,831.17 : x
  2. Step 2: Convert to fraction form
    189,921,261.83/284,733,068.28 = 74,991,831.17/x
  3. Step 3: Cross multiply
    189,921,261.83x = 284,733,068.28 × 74,991,831.17
  4. Step 4: Simplify right side
    189,921,261.83x = 21,352,654,183,546,176
  5. Step 5: Solve for x
    x = 21,352,654,183,546,176/189,921,261.83
  6. Step 6: Final answer
    x = 112,428,982.30

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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.