Home / 71,902,078,269.60-99,143,668,571.97-53,779,516,197.78

Finding the Fourth Proportional to 71,902,078,269.60, 99,143,668,571.97 and 53,779,516,197.78

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Solution

The fourth proportional to 71,902,078,269.60, 99,143,668,571.97 and 53,779,516,197.78 is: 74,154,998,828.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,902,078,269.60 : 99,143,668,571.97 = 53,779,516,197.78 : x
  2. Step 2: Convert to fraction form
    71,902,078,269.60/99,143,668,571.97 = 53,779,516,197.78/x
  3. Step 3: Cross multiply
    71,902,078,269.60x = 99,143,668,571.97 × 53,779,516,197.78
  4. Step 4: Simplify right side
    71,902,078,269.60x = 5,331,898,529,873,592,844,288
  5. Step 5: Solve for x
    x = 5,331,898,529,873,592,844,288/71,902,078,269.60
  6. Step 6: Final answer
    x = 74,154,998,828.84

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.