Home / 55,925,895.71-77,180,130.54-31,146,082.47

Finding the Fourth Proportional to 55,925,895.71, 77,180,130.54 and 31,146,082.47

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Solution

The fourth proportional to 55,925,895.71, 77,180,130.54 and 31,146,082.47 is: 42,982,927.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,925,895.71 : 77,180,130.54 = 31,146,082.47 : x
  2. Step 2: Convert to fraction form
    55,925,895.71/77,180,130.54 = 31,146,082.47/x
  3. Step 3: Cross multiply
    55,925,895.71x = 77,180,130.54 × 31,146,082.47
  4. Step 4: Simplify right side
    55,925,895.71x = 2,403,858,710,844,205.50
  5. Step 5: Solve for x
    x = 2,403,858,710,844,205.50/55,925,895.71
  6. Step 6: Final answer
    x = 42,982,927.33

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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.