Home / 194,178,422.40-291,071,678.40-96,984,643.20

Finding the Fourth Proportional to 194,178,422.40, 291,071,678.40 and 96,984,643.20

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Solution

The fourth proportional to 194,178,422.40, 291,071,678.40 and 96,984,643.20 is: 145,379,092.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,178,422.40 : 291,071,678.40 = 96,984,643.20 : x
  2. Step 2: Convert to fraction form
    194,178,422.40/291,071,678.40 = 96,984,643.20/x
  3. Step 3: Cross multiply
    194,178,422.40x = 291,071,678.40 × 96,984,643.20
  4. Step 4: Simplify right side
    194,178,422.40x = 28,229,482,875,249,144
  5. Step 5: Solve for x
    x = 28,229,482,875,249,144/194,178,422.40
  6. Step 6: Final answer
    x = 145,379,092.72

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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.