Home / 208,303,081.64-312,506,576.82-147,011,963.88

Finding the Fourth Proportional to 208,303,081.64, 312,506,576.82 and 147,011,963.88

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Solution

The fourth proportional to 208,303,081.64, 312,506,576.82 and 147,011,963.88 is: 220,554,613.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,303,081.64 : 312,506,576.82 = 147,011,963.88 : x
  2. Step 2: Convert to fraction form
    208,303,081.64/312,506,576.82 = 147,011,963.88/x
  3. Step 3: Cross multiply
    208,303,081.64x = 312,506,576.82 × 147,011,963.88
  4. Step 4: Simplify right side
    208,303,081.64x = 45,942,205,583,724,280
  5. Step 5: Solve for x
    x = 45,942,205,583,724,280/208,303,081.64
  6. Step 6: Final answer
    x = 220,554,613.12

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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.