Home / 205,039,862.60-307,559,793.90-83,831,030.60

Finding the Fourth Proportional to 205,039,862.60, 307,559,793.90 and 83,831,030.60

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Solution

The fourth proportional to 205,039,862.60, 307,559,793.90 and 83,831,030.60 is: 125,746,545.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,039,862.60 : 307,559,793.90 = 83,831,030.60 : x
  2. Step 2: Convert to fraction form
    205,039,862.60/307,559,793.90 = 83,831,030.60/x
  3. Step 3: Cross multiply
    205,039,862.60x = 307,559,793.90 × 83,831,030.60
  4. Step 4: Simplify right side
    205,039,862.60x = 25,783,054,493,760,588
  5. Step 5: Solve for x
    x = 25,783,054,493,760,588/205,039,862.60
  6. Step 6: Final answer
    x = 125,746,545.90

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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.