Home / 55,078,737.12-76,008,237.12-30,298,390.56

Finding the Fourth Proportional to 55,078,737.12, 76,008,237.12 and 30,298,390.56

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Solution

The fourth proportional to 55,078,737.12, 76,008,237.12 and 30,298,390.56 is: 41,811,547.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,078,737.12 : 76,008,237.12 = 30,298,390.56 : x
  2. Step 2: Convert to fraction form
    55,078,737.12/76,008,237.12 = 30,298,390.56/x
  3. Step 3: Cross multiply
    55,078,737.12x = 76,008,237.12 × 30,298,390.56
  4. Step 4: Simplify right side
    55,078,737.12x = 2,302,927,254,038,849.50
  5. Step 5: Solve for x
    x = 2,302,927,254,038,849.50/55,078,737.12
  6. Step 6: Final answer
    x = 41,811,547.88

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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.