Home / 78,874,703.40-118,312,055.10-22,133,634.60

Finding the Fourth Proportional to 78,874,703.40, 118,312,055.10 and 22,133,634.60

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Solution

The fourth proportional to 78,874,703.40, 118,312,055.10 and 22,133,634.60 is: 33,200,451.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,874,703.40 : 118,312,055.10 = 22,133,634.60 : x
  2. Step 2: Convert to fraction form
    78,874,703.40/118,312,055.10 = 22,133,634.60/x
  3. Step 3: Cross multiply
    78,874,703.40x = 118,312,055.10 × 22,133,634.60
  4. Step 4: Simplify right side
    78,874,703.40x = 2,618,675,796,358,466.50
  5. Step 5: Solve for x
    x = 2,618,675,796,358,466.50/78,874,703.40
  6. Step 6: Final answer
    x = 33,200,451.90

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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.