Home / 55,586,689.66-76,709,639.01-30,808,476.21

Finding the Fourth Proportional to 55,586,689.66, 76,709,639.01 and 30,808,476.21

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Solution

The fourth proportional to 55,586,689.66, 76,709,639.01 and 30,808,476.21 is: 42,515,701.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,586,689.66 : 76,709,639.01 = 30,808,476.21 : x
  2. Step 2: Convert to fraction form
    55,586,689.66/76,709,639.01 = 30,808,476.21/x
  3. Step 3: Cross multiply
    55,586,689.66x = 76,709,639.01 × 30,808,476.21
  4. Step 4: Simplify right side
    55,586,689.66x = 2,363,307,088,517,273
  5. Step 5: Solve for x
    x = 2,363,307,088,517,273/55,586,689.66
  6. Step 6: Final answer
    x = 42,515,701.20

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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.