Home / 112,232,911.76-168,355,899.32-31,460,178.32

Finding the Fourth Proportional to 112,232,911.76, 168,355,899.32 and 31,460,178.32

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Solution

The fourth proportional to 112,232,911.76, 168,355,899.32 and 31,460,178.32 is: 47,192,098.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,232,911.76 : 168,355,899.32 = 31,460,178.32 : x
  2. Step 2: Convert to fraction form
    112,232,911.76/168,355,899.32 = 31,460,178.32/x
  3. Step 3: Cross multiply
    112,232,911.76x = 168,355,899.32 × 31,460,178.32
  4. Step 4: Simplify right side
    112,232,911.76x = 5,296,506,613,831,167
  5. Step 5: Solve for x
    x = 5,296,506,613,831,167/112,232,911.76
  6. Step 6: Final answer
    x = 47,192,098.39

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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.