Home / 124,419,802.40-186,629,703.60-43,648,935.20

Finding the Fourth Proportional to 124,419,802.40, 186,629,703.60 and 43,648,935.20

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Solution

The fourth proportional to 124,419,802.40, 186,629,703.60 and 43,648,935.20 is: 65,473,402.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,419,802.40 : 186,629,703.60 = 43,648,935.20 : x
  2. Step 2: Convert to fraction form
    124,419,802.40/186,629,703.60 = 43,648,935.20/x
  3. Step 3: Cross multiply
    124,419,802.40x = 186,629,703.60 × 43,648,935.20
  4. Step 4: Simplify right side
    124,419,802.40x = 8,146,187,838,831,607
  5. Step 5: Solve for x
    x = 8,146,187,838,831,607/124,419,802.40
  6. Step 6: Final answer
    x = 65,473,402.80

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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.