Home / 144,828,381.60-217,242,572.40-47,799,064.80

Finding the Fourth Proportional to 144,828,381.60, 217,242,572.40 and 47,799,064.80

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Solution

The fourth proportional to 144,828,381.60, 217,242,572.40 and 47,799,064.80 is: 71,698,597.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,828,381.60 : 217,242,572.40 = 47,799,064.80 : x
  2. Step 2: Convert to fraction form
    144,828,381.60/217,242,572.40 = 47,799,064.80/x
  3. Step 3: Cross multiply
    144,828,381.60x = 217,242,572.40 × 47,799,064.80
  4. Step 4: Simplify right side
    144,828,381.60x = 10,383,991,795,466,292
  5. Step 5: Solve for x
    x = 10,383,991,795,466,292/144,828,381.60
  6. Step 6: Final answer
    x = 71,698,597.20

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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.