Home / 216,019,501.86-323,898,036.38-84,704,459.64

Finding the Fourth Proportional to 216,019,501.86, 323,898,036.38 and 84,704,459.64

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Solution

The fourth proportional to 216,019,501.86, 323,898,036.38 and 84,704,459.64 is: 127,005,237.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,019,501.86 : 323,898,036.38 = 84,704,459.64 : x
  2. Step 2: Convert to fraction form
    216,019,501.86/323,898,036.38 = 84,704,459.64/x
  3. Step 3: Cross multiply
    216,019,501.86x = 323,898,036.38 × 84,704,459.64
  4. Step 4: Simplify right side
    216,019,501.86x = 27,435,608,150,024,960
  5. Step 5: Solve for x
    x = 27,435,608,150,024,960/216,019,501.86
  6. Step 6: Final answer
    x = 127,005,237.55

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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.