Home / 62,776,638.58-86,674,035.81-56,140,636.90

Finding the Fourth Proportional to 62,776,638.58, 86,674,035.81 and 56,140,636.90

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Solution

The fourth proportional to 62,776,638.58, 86,674,035.81 and 56,140,636.90 is: 77,511,884.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,776,638.58 : 86,674,035.81 = 56,140,636.90 : x
  2. Step 2: Convert to fraction form
    62,776,638.58/86,674,035.81 = 56,140,636.90/x
  3. Step 3: Cross multiply
    62,776,638.58x = 86,674,035.81 × 56,140,636.90
  4. Step 4: Simplify right side
    62,776,638.58x = 4,865,935,573,066,807
  5. Step 5: Solve for x
    x = 4,865,935,573,066,807/62,776,638.58
  6. Step 6: Final answer
    x = 77,511,884.73

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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.