Home / 111,083,043.23-153,285,502.10-63,398,062.47

Finding the Fourth Proportional to 111,083,043.23, 153,285,502.10 and 63,398,062.47

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Solution

The fourth proportional to 111,083,043.23, 153,285,502.10 and 63,398,062.47 is: 87,484,133.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,083,043.23 : 153,285,502.10 = 63,398,062.47 : x
  2. Step 2: Convert to fraction form
    111,083,043.23/153,285,502.10 = 63,398,062.47/x
  3. Step 3: Cross multiply
    111,083,043.23x = 153,285,502.10 × 63,398,062.47
  4. Step 4: Simplify right side
    111,083,043.23x = 9,718,003,837,564,126
  5. Step 5: Solve for x
    x = 9,718,003,837,564,126/111,083,043.23
  6. Step 6: Final answer
    x = 87,484,133.99

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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.