Home / 205,039,881.60-307,559,822.40-83,831,049.60

Finding the Fourth Proportional to 205,039,881.60, 307,559,822.40 and 83,831,049.60

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Solution

The fourth proportional to 205,039,881.60, 307,559,822.40 and 83,831,049.60 is: 125,746,574.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,039,881.60 : 307,559,822.40 = 83,831,049.60 : x
  2. Step 2: Convert to fraction form
    205,039,881.60/307,559,822.40 = 83,831,049.60/x
  3. Step 3: Cross multiply
    205,039,881.60x = 307,559,822.40 × 83,831,049.60
  4. Step 4: Simplify right side
    205,039,881.60x = 25,783,062,726,581,588
  5. Step 5: Solve for x
    x = 25,783,062,726,581,588/205,039,881.60
  6. Step 6: Final answer
    x = 125,746,574.40

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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.