Home / 79,549,657.58-119,289,702.51-40,133,662.76

Finding the Fourth Proportional to 79,549,657.58, 119,289,702.51 and 40,133,662.76

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Solution

The fourth proportional to 79,549,657.58, 119,289,702.51 and 40,133,662.76 is: 60,182,945.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,549,657.58 : 119,289,702.51 = 40,133,662.76 : x
  2. Step 2: Convert to fraction form
    79,549,657.58/119,289,702.51 = 40,133,662.76/x
  3. Step 3: Cross multiply
    79,549,657.58x = 119,289,702.51 × 40,133,662.76
  4. Step 4: Simplify right side
    79,549,657.58x = 4,787,532,691,277,065
  5. Step 5: Solve for x
    x = 4,787,532,691,277,065/79,549,657.58
  6. Step 6: Final answer
    x = 60,182,945.31

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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.