Home / 78,733,981.60-118,100,972.40-24,881,293.60

Finding the Fourth Proportional to 78,733,981.60, 118,100,972.40 and 24,881,293.60

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Solution

The fourth proportional to 78,733,981.60, 118,100,972.40 and 24,881,293.60 is: 37,321,940.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,733,981.60 : 118,100,972.40 = 24,881,293.60 : x
  2. Step 2: Convert to fraction form
    78,733,981.60/118,100,972.40 = 24,881,293.60/x
  3. Step 3: Cross multiply
    78,733,981.60x = 118,100,972.40 × 24,881,293.60
  4. Step 4: Simplify right side
    78,733,981.60x = 2,938,504,968,729,897
  5. Step 5: Solve for x
    x = 2,938,504,968,729,897/78,733,981.60
  6. Step 6: Final answer
    x = 37,321,940.40

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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.