Home / 112,331,455.60-168,371,212.20-57,722,940.40

Finding the Fourth Proportional to 112,331,455.60, 168,371,212.20 and 57,722,940.40

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Solution

The fourth proportional to 112,331,455.60, 168,371,212.20 and 57,722,940.40 is: 86,519,678.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,331,455.60 : 168,371,212.20 = 57,722,940.40 : x
  2. Step 2: Convert to fraction form
    112,331,455.60/168,371,212.20 = 57,722,940.40/x
  3. Step 3: Cross multiply
    112,331,455.60x = 168,371,212.20 × 57,722,940.40
  4. Step 4: Simplify right side
    112,331,455.60x = 9,718,881,446,896,352
  5. Step 5: Solve for x
    x = 9,718,881,446,896,352/112,331,455.60
  6. Step 6: Final answer
    x = 86,519,678.70

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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.