Home / 52,036,292.78-71,809,133.53-28,831,335.02

Finding the Fourth Proportional to 52,036,292.78, 71,809,133.53 and 28,831,335.02

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Solution

The fourth proportional to 52,036,292.78, 71,809,133.53 and 28,831,335.02 is: 39,786,715.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,036,292.78 : 71,809,133.53 = 28,831,335.02 : x
  2. Step 2: Convert to fraction form
    52,036,292.78/71,809,133.53 = 28,831,335.02/x
  3. Step 3: Cross multiply
    52,036,292.78x = 71,809,133.53 × 28,831,335.02
  4. Step 4: Simplify right side
    52,036,292.78x = 2,070,353,186,299,345.25
  5. Step 5: Solve for x
    x = 2,070,353,186,299,345.25/52,036,292.78
  6. Step 6: Final answer
    x = 39,786,715.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.