Home / 191,308,117.76-287,007,711.35-61,915,728.05

Finding the Fourth Proportional to 191,308,117.76, 287,007,711.35 and 61,915,728.05

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Solution

The fourth proportional to 191,308,117.76, 287,007,711.35 and 61,915,728.05 is: 92,888,329.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,308,117.76 : 287,007,711.35 = 61,915,728.05 : x
  2. Step 2: Convert to fraction form
    191,308,117.76/287,007,711.35 = 61,915,728.05/x
  3. Step 3: Cross multiply
    191,308,117.76x = 287,007,711.35 × 61,915,728.05
  4. Step 4: Simplify right side
    191,308,117.76x = 17,770,291,405,667,526
  5. Step 5: Solve for x
    x = 17,770,291,405,667,526/191,308,117.76
  6. Step 6: Final answer
    x = 92,888,329.12

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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.