Home / 194,067,875.50-290,931,752.13-72,984,358.06

Finding the Fourth Proportional to 194,067,875.50, 290,931,752.13 and 72,984,358.06

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Solution

The fourth proportional to 194,067,875.50, 290,931,752.13 and 72,984,358.06 is: 109,412,581.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,067,875.50 : 290,931,752.13 = 72,984,358.06 : x
  2. Step 2: Convert to fraction form
    194,067,875.50/290,931,752.13 = 72,984,358.06/x
  3. Step 3: Cross multiply
    194,067,875.50x = 290,931,752.13 × 72,984,358.06
  4. Step 4: Simplify right side
    194,067,875.50x = 21,233,467,167,478,072
  5. Step 5: Solve for x
    x = 21,233,467,167,478,072/194,067,875.50
  6. Step 6: Final answer
    x = 109,412,581.10

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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.