Home / 208,045,373.96-312,112,784.42-60,495,497.71

Finding the Fourth Proportional to 208,045,373.96, 312,112,784.42 and 60,495,497.71

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Solution

The fourth proportional to 208,045,373.96, 312,112,784.42 and 60,495,497.71 is: 90,756,251.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,045,373.96 : 312,112,784.42 = 60,495,497.71 : x
  2. Step 2: Convert to fraction form
    208,045,373.96/312,112,784.42 = 60,495,497.71/x
  3. Step 3: Cross multiply
    208,045,373.96x = 312,112,784.42 × 60,495,497.71
  4. Step 4: Simplify right side
    208,045,373.96x = 18,881,418,235,141,836
  5. Step 5: Solve for x
    x = 18,881,418,235,141,836/208,045,373.96
  6. Step 6: Final answer
    x = 90,756,251.27

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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.