Home / 144,896,855.60-217,597,225.80-76,872,407.60

Finding the Fourth Proportional to 144,896,855.60, 217,597,225.80 and 76,872,407.60

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Solution

The fourth proportional to 144,896,855.60, 217,597,225.80 and 76,872,407.60 is: 115,442,274.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,896,855.60 : 217,597,225.80 = 76,872,407.60 : x
  2. Step 2: Convert to fraction form
    144,896,855.60/217,597,225.80 = 76,872,407.60/x
  3. Step 3: Cross multiply
    144,896,855.60x = 217,597,225.80 × 76,872,407.60
  4. Step 4: Simplify right side
    144,896,855.60x = 16,727,222,634,326,836
  5. Step 5: Solve for x
    x = 16,727,222,634,326,836/144,896,855.60
  6. Step 6: Final answer
    x = 115,442,274.89

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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.