Home / 111,578,569.76-166,878,342.24-99,368,629.76

Finding the Fourth Proportional to 111,578,569.76, 166,878,342.24 and 99,368,629.76

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Solution

The fourth proportional to 111,578,569.76, 166,878,342.24 and 99,368,629.76 is: 148,616,999.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,578,569.76 : 166,878,342.24 = 99,368,629.76 : x
  2. Step 2: Convert to fraction form
    111,578,569.76/166,878,342.24 = 99,368,629.76/x
  3. Step 3: Cross multiply
    111,578,569.76x = 166,878,342.24 × 99,368,629.76
  4. Step 4: Simplify right side
    111,578,569.76x = 16,582,472,205,009,130
  5. Step 5: Solve for x
    x = 16,582,472,205,009,130/111,578,569.76
  6. Step 6: Final answer
    x = 148,616,999.13

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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.