Home / 260,078,376.45-358,960,300.65-154,290,510.52

Finding the Fourth Proportional to 260,078,376.45, 358,960,300.65 and 154,290,510.52

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Solution

The fourth proportional to 260,078,376.45, 358,960,300.65 and 154,290,510.52 is: 212,951,837.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,078,376.45 : 358,960,300.65 = 154,290,510.52 : x
  2. Step 2: Convert to fraction form
    260,078,376.45/358,960,300.65 = 154,290,510.52/x
  3. Step 3: Cross multiply
    260,078,376.45x = 358,960,300.65 × 154,290,510.52
  4. Step 4: Simplify right side
    260,078,376.45x = 55,384,168,042,803,792
  5. Step 5: Solve for x
    x = 55,384,168,042,803,792/260,078,376.45
  6. Step 6: Final answer
    x = 212,951,837.05

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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.