Home / 130,336,657.90-195,713,882.85-103,632,376.30

Finding the Fourth Proportional to 130,336,657.90, 195,713,882.85 and 103,632,376.30

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Solution

The fourth proportional to 130,336,657.90, 195,713,882.85 and 103,632,376.30 is: 155,614,660.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,336,657.90 : 195,713,882.85 = 103,632,376.30 : x
  2. Step 2: Convert to fraction form
    130,336,657.90/195,713,882.85 = 103,632,376.30/x
  3. Step 3: Cross multiply
    130,336,657.90x = 195,713,882.85 × 103,632,376.30
  4. Step 4: Simplify right side
    130,336,657.90x = 20,282,294,754,645,316
  5. Step 5: Solve for x
    x = 20,282,294,754,645,316/130,336,657.90
  6. Step 6: Final answer
    x = 155,614,660.38

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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.