Home / 186,787,923.70-280,181,885.55-118,931,437.30

Finding the Fourth Proportional to 186,787,923.70, 280,181,885.55 and 118,931,437.30

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Solution

The fourth proportional to 186,787,923.70, 280,181,885.55 and 118,931,437.30 is: 178,397,155.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,787,923.70 : 280,181,885.55 = 118,931,437.30 : x
  2. Step 2: Convert to fraction form
    186,787,923.70/280,181,885.55 = 118,931,437.30/x
  3. Step 3: Cross multiply
    186,787,923.70x = 280,181,885.55 × 118,931,437.30
  4. Step 4: Simplify right side
    186,787,923.70x = 33,322,434,353,885,600
  5. Step 5: Solve for x
    x = 33,322,434,353,885,600/186,787,923.70
  6. Step 6: Final answer
    x = 178,397,155.95

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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.