Home / 69,328,870.81-95,773,498.01-55,371,901.57

Finding the Fourth Proportional to 69,328,870.81, 95,773,498.01 and 55,371,901.57

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Solution

The fourth proportional to 69,328,870.81, 95,773,498.01 and 55,371,901.57 is: 76,492,818.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,328,870.81 : 95,773,498.01 = 55,371,901.57 : x
  2. Step 2: Convert to fraction form
    69,328,870.81/95,773,498.01 = 55,371,901.57/x
  3. Step 3: Cross multiply
    69,328,870.81x = 95,773,498.01 × 55,371,901.57
  4. Step 4: Simplify right side
    69,328,870.81x = 5,303,160,704,547,451
  5. Step 5: Solve for x
    x = 5,303,160,704,547,451/69,328,870.81
  6. Step 6: Final answer
    x = 76,492,818.11

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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.