Home / 112,624,742.50-155,422,144.65-61,116,518.50

Finding the Fourth Proportional to 112,624,742.50, 155,422,144.65 and 61,116,518.50

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Solution

The fourth proportional to 112,624,742.50, 155,422,144.65 and 61,116,518.50 is: 84,340,795.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,624,742.50 : 155,422,144.65 = 61,116,518.50 : x
  2. Step 2: Convert to fraction form
    112,624,742.50/155,422,144.65 = 61,116,518.50/x
  3. Step 3: Cross multiply
    112,624,742.50x = 155,422,144.65 × 61,116,518.50
  4. Step 4: Simplify right side
    112,624,742.50x = 9,498,860,378,811,402
  5. Step 5: Solve for x
    x = 9,498,860,378,811,402/112,624,742.50
  6. Step 6: Final answer
    x = 84,340,795.53

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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.