Home / 54,919,423.50-75,788,804.61-30,477,070.86

Finding the Fourth Proportional to 54,919,423.50, 75,788,804.61 and 30,477,070.86

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Solution

The fourth proportional to 54,919,423.50, 75,788,804.61 and 30,477,070.86 is: 42,058,357.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,919,423.50 : 75,788,804.61 = 30,477,070.86 : x
  2. Step 2: Convert to fraction form
    54,919,423.50/75,788,804.61 = 30,477,070.86/x
  3. Step 3: Cross multiply
    54,919,423.50x = 75,788,804.61 × 30,477,070.86
  4. Step 4: Simplify right side
    54,919,423.50x = 2,309,820,768,493,664.50
  5. Step 5: Solve for x
    x = 2,309,820,768,493,664.50/54,919,423.50
  6. Step 6: Final answer
    x = 42,058,357.89

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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.