Home / 189,921,260.32-284,733,066.04-74,991,829.66

Finding the Fourth Proportional to 189,921,260.32, 284,733,066.04 and 74,991,829.66

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Solution

The fourth proportional to 189,921,260.32, 284,733,066.04 and 74,991,829.66 is: 112,428,980.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,921,260.32 : 284,733,066.04 = 74,991,829.66 : x
  2. Step 2: Convert to fraction form
    189,921,260.32/284,733,066.04 = 74,991,829.66/x
  3. Step 3: Cross multiply
    189,921,260.32x = 284,733,066.04 × 74,991,829.66
  4. Step 4: Simplify right side
    189,921,260.32x = 21,352,653,586,141,900
  5. Step 5: Solve for x
    x = 21,352,653,586,141,900/189,921,260.32
  6. Step 6: Final answer
    x = 112,428,980.04

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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.