Home / 130,780,287.32-196,177,584.89-53,045,646.80

Finding the Fourth Proportional to 130,780,287.32, 196,177,584.89 and 53,045,646.80

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Solution

The fourth proportional to 130,780,287.32, 196,177,584.89 and 53,045,646.80 is: 79,571,371.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,780,287.32 : 196,177,584.89 = 53,045,646.80 : x
  2. Step 2: Convert to fraction form
    130,780,287.32/196,177,584.89 = 53,045,646.80/x
  3. Step 3: Cross multiply
    130,780,287.32x = 196,177,584.89 × 53,045,646.80
  4. Step 4: Simplify right side
    130,780,287.32x = 10,406,366,877,303,684
  5. Step 5: Solve for x
    x = 10,406,366,877,303,684/130,780,287.32
  6. Step 6: Final answer
    x = 79,571,371.89

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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.