Home / 90,588,064.75-125,015,068.58-51,433,484.77

Finding the Fourth Proportional to 90,588,064.75, 125,015,068.58 and 51,433,484.77

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Solution

The fourth proportional to 90,588,064.75, 125,015,068.58 and 51,433,484.77 is: 70,980,218.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,588,064.75 : 125,015,068.58 = 51,433,484.77 : x
  2. Step 2: Convert to fraction form
    90,588,064.75/125,015,068.58 = 51,433,484.77/x
  3. Step 3: Cross multiply
    90,588,064.75x = 125,015,068.58 × 51,433,484.77
  4. Step 4: Simplify right side
    90,588,064.75x = 6,429,960,625,729,037
  5. Step 5: Solve for x
    x = 6,429,960,625,729,037/90,588,064.75
  6. Step 6: Final answer
    x = 70,980,218.46

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.