Home / 118,214,984.80-177,023,878.80-77,605,602.40

Finding the Fourth Proportional to 118,214,984.80, 177,023,878.80 and 77,605,602.40

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Solution

The fourth proportional to 118,214,984.80, 177,023,878.80 and 77,605,602.40 is: 116,212,380.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,214,984.80 : 177,023,878.80 = 77,605,602.40 : x
  2. Step 2: Convert to fraction form
    118,214,984.80/177,023,878.80 = 77,605,602.40/x
  3. Step 3: Cross multiply
    118,214,984.80x = 177,023,878.80 × 77,605,602.40
  4. Step 4: Simplify right side
    118,214,984.80x = 13,738,044,753,458,592
  5. Step 5: Solve for x
    x = 13,738,044,753,458,592/118,214,984.80
  6. Step 6: Final answer
    x = 116,212,380.15

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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.