Home / 118,894,512.60-178,341,768.90-99,762,636.60

Finding the Fourth Proportional to 118,894,512.60, 178,341,768.90 and 99,762,636.60

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Solution

The fourth proportional to 118,894,512.60, 178,341,768.90 and 99,762,636.60 is: 149,643,954.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,894,512.60 : 178,341,768.90 = 99,762,636.60 : x
  2. Step 2: Convert to fraction form
    118,894,512.60/178,341,768.90 = 99,762,636.60/x
  3. Step 3: Cross multiply
    118,894,512.60x = 178,341,768.90 × 99,762,636.60
  4. Step 4: Simplify right side
    118,894,512.60x = 17,791,845,081,371,882
  5. Step 5: Solve for x
    x = 17,791,845,081,371,882/118,894,512.60
  6. Step 6: Final answer
    x = 149,643,954.90

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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.