Home / 77,860,226.30-116,801,950.59-28,672,296.50

Finding the Fourth Proportional to 77,860,226.30, 116,801,950.59 and 28,672,296.50

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Solution

The fourth proportional to 77,860,226.30, 116,801,950.59 and 28,672,296.50 is: 43,012,720.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,860,226.30 : 116,801,950.59 = 28,672,296.50 : x
  2. Step 2: Convert to fraction form
    77,860,226.30/116,801,950.59 = 28,672,296.50/x
  3. Step 3: Cross multiply
    77,860,226.30x = 116,801,950.59 × 28,672,296.50
  4. Step 4: Simplify right side
    77,860,226.30x = 3,348,980,159,386,835
  5. Step 5: Solve for x
    x = 3,348,980,159,386,835/77,860,226.30
  6. Step 6: Final answer
    x = 43,012,720.60

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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.