Home / 55,334,134.60-83,001,201.90-54,578,307.40

Finding the Fourth Proportional to 55,334,134.60, 83,001,201.90 and 54,578,307.40

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Solution

The fourth proportional to 55,334,134.60, 83,001,201.90 and 54,578,307.40 is: 81,867,461.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,334,134.60 : 83,001,201.90 = 54,578,307.40 : x
  2. Step 2: Convert to fraction form
    55,334,134.60/83,001,201.90 = 54,578,307.40/x
  3. Step 3: Cross multiply
    55,334,134.60x = 83,001,201.90 × 54,578,307.40
  4. Step 4: Simplify right side
    55,334,134.60x = 4,530,065,111,867,664
  5. Step 5: Solve for x
    x = 4,530,065,111,867,664/55,334,134.60
  6. Step 6: Final answer
    x = 81,867,461.10

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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.