Home / 191,839,527.38-287,649,140.58-75,118,222.82

Finding the Fourth Proportional to 191,839,527.38, 287,649,140.58 and 75,118,222.82

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Solution

The fourth proportional to 191,839,527.38, 287,649,140.58 and 75,118,222.82 is: 112,634,202.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,839,527.38 : 287,649,140.58 = 75,118,222.82 : x
  2. Step 2: Convert to fraction form
    191,839,527.38/287,649,140.58 = 75,118,222.82/x
  3. Step 3: Cross multiply
    191,839,527.38x = 287,649,140.58 × 75,118,222.82
  4. Step 4: Simplify right side
    191,839,527.38x = 21,607,692,234,631,696
  5. Step 5: Solve for x
    x = 21,607,692,234,631,696/191,839,527.38
  6. Step 6: Final answer
    x = 112,634,202.82

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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.