Home / 112,337,153.40-168,505,730.10-69,066,046.20

Finding the Fourth Proportional to 112,337,153.40, 168,505,730.10 and 69,066,046.20

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Solution

The fourth proportional to 112,337,153.40, 168,505,730.10 and 69,066,046.20 is: 103,599,069.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,337,153.40 : 168,505,730.10 = 69,066,046.20 : x
  2. Step 2: Convert to fraction form
    112,337,153.40/168,505,730.10 = 69,066,046.20/x
  3. Step 3: Cross multiply
    112,337,153.40x = 168,505,730.10 × 69,066,046.20
  4. Step 4: Simplify right side
    112,337,153.40x = 11,638,024,540,051,330
  5. Step 5: Solve for x
    x = 11,638,024,540,051,330/112,337,153.40
  6. Step 6: Final answer
    x = 103,599,069.30

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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.