Home / 130,712,608.40-196,068,912.60-73,381,715.60

Finding the Fourth Proportional to 130,712,608.40, 196,068,912.60 and 73,381,715.60

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Solution

The fourth proportional to 130,712,608.40, 196,068,912.60 and 73,381,715.60 is: 110,072,573.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,712,608.40 : 196,068,912.60 = 73,381,715.60 : x
  2. Step 2: Convert to fraction form
    130,712,608.40/196,068,912.60 = 73,381,715.60/x
  3. Step 3: Cross multiply
    130,712,608.40x = 196,068,912.60 × 73,381,715.60
  4. Step 4: Simplify right side
    130,712,608.40x = 14,387,873,182,414,454
  5. Step 5: Solve for x
    x = 14,387,873,182,414,454/130,712,608.40
  6. Step 6: Final answer
    x = 110,072,573.40

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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.