Home / 112,101,181.40-168,151,772.10-83,403,367.40

Finding the Fourth Proportional to 112,101,181.40, 168,151,772.10 and 83,403,367.40

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Solution

The fourth proportional to 112,101,181.40, 168,151,772.10 and 83,403,367.40 is: 125,105,051.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,101,181.40 : 168,151,772.10 = 83,403,367.40 : x
  2. Step 2: Convert to fraction form
    112,101,181.40/168,151,772.10 = 83,403,367.40/x
  3. Step 3: Cross multiply
    112,101,181.40x = 168,151,772.10 × 83,403,367.40
  4. Step 4: Simplify right side
    112,101,181.40x = 14,024,424,027,417,370
  5. Step 5: Solve for x
    x = 14,024,424,027,417,370/112,101,181.40
  6. Step 6: Final answer
    x = 125,105,051.10

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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.