Home / 53,896,686.80-80,845,030.20-19,831,318.70

Finding the Fourth Proportional to 53,896,686.80, 80,845,030.20 and 19,831,318.70

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Solution

The fourth proportional to 53,896,686.80, 80,845,030.20 and 19,831,318.70 is: 29,746,978.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,896,686.80 : 80,845,030.20 = 19,831,318.70 : x
  2. Step 2: Convert to fraction form
    53,896,686.80/80,845,030.20 = 19,831,318.70/x
  3. Step 3: Cross multiply
    53,896,686.80x = 80,845,030.20 × 19,831,318.70
  4. Step 4: Simplify right side
    53,896,686.80x = 1,603,263,559,207,324.75
  5. Step 5: Solve for x
    x = 1,603,263,559,207,324.75/53,896,686.80
  6. Step 6: Final answer
    x = 29,746,978.05

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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.