Home / 54,371,166.16-81,531,463.88-19,803,503.40

Finding the Fourth Proportional to 54,371,166.16, 81,531,463.88 and 19,803,503.40

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Solution

The fourth proportional to 54,371,166.16, 81,531,463.88 and 19,803,503.40 is: 29,696,045.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,371,166.16 : 81,531,463.88 = 19,803,503.40 : x
  2. Step 2: Convert to fraction form
    54,371,166.16/81,531,463.88 = 19,803,503.40/x
  3. Step 3: Cross multiply
    54,371,166.16x = 81,531,463.88 × 19,803,503.40
  4. Step 4: Simplify right side
    54,371,166.16x = 1,614,608,622,154,557
  5. Step 5: Solve for x
    x = 1,614,608,622,154,557/54,371,166.16
  6. Step 6: Final answer
    x = 29,696,045.46

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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.