Home / 194,067,904.19-290,931,795.16-72,984,386.75

Finding the Fourth Proportional to 194,067,904.19, 290,931,795.16 and 72,984,386.75

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Solution

The fourth proportional to 194,067,904.19, 290,931,795.16 and 72,984,386.75 is: 109,412,624.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,067,904.19 : 290,931,795.16 = 72,984,386.75 : x
  2. Step 2: Convert to fraction form
    194,067,904.19/290,931,795.16 = 72,984,386.75/x
  3. Step 3: Cross multiply
    194,067,904.19x = 290,931,795.16 × 72,984,386.75
  4. Step 4: Simplify right side
    194,067,904.19x = 21,233,478,654,192,100
  5. Step 5: Solve for x
    x = 21,233,478,654,192,100/194,067,904.19
  6. Step 6: Final answer
    x = 109,412,624.12

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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.