Home / 55,588,895.06-76,712,682.53-30,810,679.86

Finding the Fourth Proportional to 55,588,895.06, 76,712,682.53 and 30,810,679.86

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Solution

The fourth proportional to 55,588,895.06, 76,712,682.53 and 30,810,679.86 is: 42,518,742.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,588,895.06 : 76,712,682.53 = 30,810,679.86 : x
  2. Step 2: Convert to fraction form
    55,588,895.06/76,712,682.53 = 30,810,679.86/x
  3. Step 3: Cross multiply
    55,588,895.06x = 76,712,682.53 × 30,810,679.86
  4. Step 4: Simplify right side
    55,588,895.06x = 2,363,569,902,911,673.50
  5. Step 5: Solve for x
    x = 2,363,569,902,911,673.50/55,588,895.06
  6. Step 6: Final answer
    x = 42,518,742.29

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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.