Home / 268,703,366.40-370,770,651.72-151,221,690.30

Finding the Fourth Proportional to 268,703,366.40, 370,770,651.72 and 151,221,690.30

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Solution

The fourth proportional to 268,703,366.40, 370,770,651.72 and 151,221,690.30 is: 208,663,424.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,703,366.40 : 370,770,651.72 = 151,221,690.30 : x
  2. Step 2: Convert to fraction form
    268,703,366.40/370,770,651.72 = 151,221,690.30/x
  3. Step 3: Cross multiply
    268,703,366.40x = 370,770,651.72 × 151,221,690.30
  4. Step 4: Simplify right side
    268,703,366.40x = 56,068,564,666,731,008
  5. Step 5: Solve for x
    x = 56,068,564,666,731,008/268,703,366.40
  6. Step 6: Final answer
    x = 208,663,424.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.