Home / 130,336,663.40-195,713,891.10-103,632,381.80

Finding the Fourth Proportional to 130,336,663.40, 195,713,891.10 and 103,632,381.80

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Solution

The fourth proportional to 130,336,663.40, 195,713,891.10 and 103,632,381.80 is: 155,614,668.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,336,663.40 : 195,713,891.10 = 103,632,381.80 : x
  2. Step 2: Convert to fraction form
    130,336,663.40/195,713,891.10 = 103,632,381.80/x
  3. Step 3: Cross multiply
    130,336,663.40x = 195,713,891.10 × 103,632,381.80
  4. Step 4: Simplify right side
    130,336,663.40x = 20,282,296,686,038,820
  5. Step 5: Solve for x
    x = 20,282,296,686,038,820/130,336,663.40
  6. Step 6: Final answer
    x = 155,614,668.64

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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.