Home / 42,773,199.66-64,163,569.77-12,068,047.98

Finding the Fourth Proportional to 42,773,199.66, 64,163,569.77 and 12,068,047.98

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Solution

The fourth proportional to 42,773,199.66, 64,163,569.77 and 12,068,047.98 is: 18,103,135.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,773,199.66 : 64,163,569.77 = 12,068,047.98 : x
  2. Step 2: Convert to fraction form
    42,773,199.66/64,163,569.77 = 12,068,047.98/x
  3. Step 3: Cross multiply
    42,773,199.66x = 64,163,569.77 × 12,068,047.98
  4. Step 4: Simplify right side
    42,773,199.66x = 774,329,038,552,437.62
  5. Step 5: Solve for x
    x = 774,329,038,552,437.62/42,773,199.66
  6. Step 6: Final answer
    x = 18,103,135.72

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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.