Home / 190,680,849.66-286,023,931.72-54,366,233.16

Finding the Fourth Proportional to 190,680,849.66, 286,023,931.72 and 54,366,233.16

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Solution

The fourth proportional to 190,680,849.66, 286,023,931.72 and 54,366,233.16 is: 81,550,107.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,680,849.66 : 286,023,931.72 = 54,366,233.16 : x
  2. Step 2: Convert to fraction form
    190,680,849.66/286,023,931.72 = 54,366,233.16/x
  3. Step 3: Cross multiply
    190,680,849.66x = 286,023,931.72 × 54,366,233.16
  4. Step 4: Simplify right side
    190,680,849.66x = 15,550,043,761,229,440
  5. Step 5: Solve for x
    x = 15,550,043,761,229,440/190,680,849.66
  6. Step 6: Final answer
    x = 81,550,107.36

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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.