Home / 78,872,177.80-118,308,266.70-36,404,849.80

Finding the Fourth Proportional to 78,872,177.80, 118,308,266.70 and 36,404,849.80

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Solution

The fourth proportional to 78,872,177.80, 118,308,266.70 and 36,404,849.80 is: 54,607,274.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,872,177.80 : 118,308,266.70 = 36,404,849.80 : x
  2. Step 2: Convert to fraction form
    78,872,177.80/118,308,266.70 = 36,404,849.80/x
  3. Step 3: Cross multiply
    78,872,177.80x = 118,308,266.70 × 36,404,849.80
  4. Step 4: Simplify right side
    78,872,177.80x = 4,306,994,679,311,841.50
  5. Step 5: Solve for x
    x = 4,306,994,679,311,841.50/78,872,177.80
  6. Step 6: Final answer
    x = 54,607,274.70

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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.