Home / 102,948,321,788.87-142,065,060,566.43-56,598,411,572.68

Finding the Fourth Proportional to 102,948,321,788.87, 142,065,060,566.43 and 56,598,411,572.68

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Solution

The fourth proportional to 102,948,321,788.87, 142,065,060,566.43 and 56,598,411,572.68 is: 78,103,815,859.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,948,321,788.87 : 142,065,060,566.43 = 56,598,411,572.68 : x
  2. Step 2: Convert to fraction form
    102,948,321,788.87/142,065,060,566.43 = 56,598,411,572.68/x
  3. Step 3: Cross multiply
    102,948,321,788.87x = 142,065,060,566.43 × 56,598,411,572.68
  4. Step 4: Simplify right side
    102,948,321,788.87x = 8,040,656,768,037,084,463,104
  5. Step 5: Solve for x
    x = 8,040,656,768,037,084,463,104/102,948,321,788.87
  6. Step 6: Final answer
    x = 78,103,815,859.45

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Why These Related Problems?

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