Home / 83,880,953.74-115,696,087.45-55,989,601.39

Finding the Fourth Proportional to 83,880,953.74, 115,696,087.45 and 55,989,601.39

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Solution

The fourth proportional to 83,880,953.74, 115,696,087.45 and 55,989,601.39 is: 77,225,848.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,880,953.74 : 115,696,087.45 = 55,989,601.39 : x
  2. Step 2: Convert to fraction form
    83,880,953.74/115,696,087.45 = 55,989,601.39/x
  3. Step 3: Cross multiply
    83,880,953.74x = 115,696,087.45 × 55,989,601.39
  4. Step 4: Simplify right side
    83,880,953.74x = 6,477,777,818,708,082
  5. Step 5: Solve for x
    x = 6,477,777,818,708,082/83,880,953.74
  6. Step 6: Final answer
    x = 77,225,848.42

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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.