Home / 130,407,469.40-195,611,204.10-69,941,293.40

Finding the Fourth Proportional to 130,407,469.40, 195,611,204.10 and 69,941,293.40

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Solution

The fourth proportional to 130,407,469.40, 195,611,204.10 and 69,941,293.40 is: 104,911,940.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,407,469.40 : 195,611,204.10 = 69,941,293.40 : x
  2. Step 2: Convert to fraction form
    130,407,469.40/195,611,204.10 = 69,941,293.40/x
  3. Step 3: Cross multiply
    130,407,469.40x = 195,611,204.10 × 69,941,293.40
  4. Step 4: Simplify right side
    130,407,469.40x = 13,681,300,618,285,384
  5. Step 5: Solve for x
    x = 13,681,300,618,285,384/130,407,469.40
  6. Step 6: Final answer
    x = 104,911,940.10

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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.