Home / 190,680,834.54-286,023,909.02-54,366,218.04

Finding the Fourth Proportional to 190,680,834.54, 286,023,909.02 and 54,366,218.04

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Solution

The fourth proportional to 190,680,834.54, 286,023,909.02 and 54,366,218.04 is: 81,550,084.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,680,834.54 : 286,023,909.02 = 54,366,218.04 : x
  2. Step 2: Convert to fraction form
    190,680,834.54/286,023,909.02 = 54,366,218.04/x
  3. Step 3: Cross multiply
    190,680,834.54x = 286,023,909.02 × 54,366,218.04
  4. Step 4: Simplify right side
    190,680,834.54x = 15,550,038,202,434,442
  5. Step 5: Solve for x
    x = 15,550,038,202,434,442/190,680,834.54
  6. Step 6: Final answer
    x = 81,550,084.67

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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.