Home / 143,784,006.60-215,676,009.90-79,958,598.60

Finding the Fourth Proportional to 143,784,006.60, 215,676,009.90 and 79,958,598.60

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Solution

The fourth proportional to 143,784,006.60, 215,676,009.90 and 79,958,598.60 is: 119,937,897.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,784,006.60 : 215,676,009.90 = 79,958,598.60 : x
  2. Step 2: Convert to fraction form
    143,784,006.60/215,676,009.90 = 79,958,598.60/x
  3. Step 3: Cross multiply
    143,784,006.60x = 215,676,009.90 × 79,958,598.60
  4. Step 4: Simplify right side
    143,784,006.60x = 17,245,151,503,243,726
  5. Step 5: Solve for x
    x = 17,245,151,503,243,726/143,784,006.60
  6. Step 6: Final answer
    x = 119,937,897.90

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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.