Home / 42,773,205.66-64,163,578.77-12,068,053.98

Finding the Fourth Proportional to 42,773,205.66, 64,163,578.77 and 12,068,053.98

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Solution

The fourth proportional to 42,773,205.66, 64,163,578.77 and 12,068,053.98 is: 18,103,144.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,773,205.66 : 64,163,578.77 = 12,068,053.98 : x
  2. Step 2: Convert to fraction form
    42,773,205.66/64,163,578.77 = 12,068,053.98/x
  3. Step 3: Cross multiply
    42,773,205.66x = 64,163,578.77 × 12,068,053.98
  4. Step 4: Simplify right side
    42,773,205.66x = 774,329,532,146,342.12
  5. Step 5: Solve for x
    x = 774,329,532,146,342.12/42,773,205.66
  6. Step 6: Final answer
    x = 18,103,144.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.