Home / 130,914,947.25-196,373,405.03-58,112,155.76

Finding the Fourth Proportional to 130,914,947.25, 196,373,405.03 and 58,112,155.76

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Solution

The fourth proportional to 130,914,947.25, 196,373,405.03 and 58,112,155.76 is: 87,168,670.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,914,947.25 : 196,373,405.03 = 58,112,155.76 : x
  2. Step 2: Convert to fraction form
    130,914,947.25/196,373,405.03 = 58,112,155.76/x
  3. Step 3: Cross multiply
    130,914,947.25x = 196,373,405.03 × 58,112,155.76
  4. Step 4: Simplify right side
    130,914,947.25x = 11,411,681,898,952,500
  5. Step 5: Solve for x
    x = 11,411,681,898,952,500/130,914,947.25
  6. Step 6: Final answer
    x = 87,168,670.49

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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.