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Finding the Fourth Proportional to 360,435,701.70, 540,653,552.55 and 155,821,148.10

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Solution

The fourth proportional to 360,435,701.70, 540,653,552.55 and 155,821,148.10 is: 233,731,722.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,435,701.70 : 540,653,552.55 = 155,821,148.10 : x
  2. Step 2: Convert to fraction form
    360,435,701.70/540,653,552.55 = 155,821,148.10/x
  3. Step 3: Cross multiply
    360,435,701.70x = 540,653,552.55 × 155,821,148.10
  4. Step 4: Simplify right side
    360,435,701.70x = 84,245,257,282,684,672
  5. Step 5: Solve for x
    x = 84,245,257,282,684,672/360,435,701.70
  6. Step 6: Final answer
    x = 233,731,722.15

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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.