Home / 83,831,685.60-125,747,528.40-79,155,004.80

Finding the Fourth Proportional to 83,831,685.60, 125,747,528.40 and 79,155,004.80

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Solution

The fourth proportional to 83,831,685.60, 125,747,528.40 and 79,155,004.80 is: 118,732,507.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,831,685.60 : 125,747,528.40 = 79,155,004.80 : x
  2. Step 2: Convert to fraction form
    83,831,685.60/125,747,528.40 = 79,155,004.80/x
  3. Step 3: Cross multiply
    83,831,685.60x = 125,747,528.40 × 79,155,004.80
  4. Step 4: Simplify right side
    83,831,685.60x = 9,953,546,214,090,136
  5. Step 5: Solve for x
    x = 9,953,546,214,090,136/83,831,685.60
  6. Step 6: Final answer
    x = 118,732,507.20

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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.