Home / 62,121,648-85,723,950.64-34,242,821.76

Finding the Fourth Proportional to 62,121,648, 85,723,950.64 and 34,242,821.76

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Solution

The fourth proportional to 62,121,648, 85,723,950.64 and 34,242,821.76 is: 47,252,931.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,121,648 : 85,723,950.64 = 34,242,821.76 : x
  2. Step 2: Convert to fraction form
    62,121,648/85,723,950.64 = 34,242,821.76/x
  3. Step 3: Cross multiply
    62,121,648x = 85,723,950.64 × 34,242,821.76
  4. Step 4: Simplify right side
    62,121,648x = 2,935,429,962,328,558
  5. Step 5: Solve for x
    x = 2,935,429,962,328,558/62,121,648
  6. Step 6: Final answer
    x = 47,252,931.25

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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.