Home / 55,676,719.30-76,833,706.53-30,900,638.02

Finding the Fourth Proportional to 55,676,719.30, 76,833,706.53 and 30,900,638.02

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Solution

The fourth proportional to 55,676,719.30, 76,833,706.53 and 30,900,638.02 is: 42,642,788.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,676,719.30 : 76,833,706.53 = 30,900,638.02 : x
  2. Step 2: Convert to fraction form
    55,676,719.30/76,833,706.53 = 30,900,638.02/x
  3. Step 3: Cross multiply
    55,676,719.30x = 76,833,706.53 × 30,900,638.02
  4. Step 4: Simplify right side
    55,676,719.30x = 2,374,210,553,218,440.50
  5. Step 5: Solve for x
    x = 2,374,210,553,218,440.50/55,676,719.30
  6. Step 6: Final answer
    x = 42,642,788.28

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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.