Home / 112,117,660.80-168,223,730.40-61,036,339.20

Finding the Fourth Proportional to 112,117,660.80, 168,223,730.40 and 61,036,339.20

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Solution

The fourth proportional to 112,117,660.80, 168,223,730.40 and 61,036,339.20 is: 91,580,225.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,117,660.80 : 168,223,730.40 = 61,036,339.20 : x
  2. Step 2: Convert to fraction form
    112,117,660.80/168,223,730.40 = 61,036,339.20/x
  3. Step 3: Cross multiply
    112,117,660.80x = 168,223,730.40 × 61,036,339.20
  4. Step 4: Simplify right side
    112,117,660.80x = 10,267,760,670,183,752
  5. Step 5: Solve for x
    x = 10,267,760,670,183,752/112,117,660.80
  6. Step 6: Final answer
    x = 91,580,225.60

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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.