Home / 144,828,428.60-217,242,642.90-47,799,111.80

Finding the Fourth Proportional to 144,828,428.60, 217,242,642.90 and 47,799,111.80

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Solution

The fourth proportional to 144,828,428.60, 217,242,642.90 and 47,799,111.80 is: 71,698,667.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,828,428.60 : 217,242,642.90 = 47,799,111.80 : x
  2. Step 2: Convert to fraction form
    144,828,428.60/217,242,642.90 = 47,799,111.80/x
  3. Step 3: Cross multiply
    144,828,428.60x = 217,242,642.90 × 47,799,111.80
  4. Step 4: Simplify right side
    144,828,428.60x = 10,384,005,375,704,576
  5. Step 5: Solve for x
    x = 10,384,005,375,704,576/144,828,428.60
  6. Step 6: Final answer
    x = 71,698,667.70

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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.