Home / 144,710,205.80-217,065,308.70-87,314,577.80

Finding the Fourth Proportional to 144,710,205.80, 217,065,308.70 and 87,314,577.80

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Solution

The fourth proportional to 144,710,205.80, 217,065,308.70 and 87,314,577.80 is: 130,971,866.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,710,205.80 : 217,065,308.70 = 87,314,577.80 : x
  2. Step 2: Convert to fraction form
    144,710,205.80/217,065,308.70 = 87,314,577.80/x
  3. Step 3: Cross multiply
    144,710,205.80x = 217,065,308.70 × 87,314,577.80
  4. Step 4: Simplify right side
    144,710,205.80x = 18,952,965,784,167,164
  5. Step 5: Solve for x
    x = 18,952,965,784,167,164/144,710,205.80
  6. Step 6: Final answer
    x = 130,971,866.70

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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.