Home / 118,211,681.40-177,317,522.10-31,947,653.40

Finding the Fourth Proportional to 118,211,681.40, 177,317,522.10 and 31,947,653.40

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Solution

The fourth proportional to 118,211,681.40, 177,317,522.10 and 31,947,653.40 is: 47,921,480.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,211,681.40 : 177,317,522.10 = 31,947,653.40 : x
  2. Step 2: Convert to fraction form
    118,211,681.40/177,317,522.10 = 31,947,653.40/x
  3. Step 3: Cross multiply
    118,211,681.40x = 177,317,522.10 × 31,947,653.40
  4. Step 4: Simplify right side
    118,211,681.40x = 5,664,878,737,797,640
  5. Step 5: Solve for x
    x = 5,664,878,737,797,640/118,211,681.40
  6. Step 6: Final answer
    x = 47,921,480.10

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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.