Home / 107,785,629.80-161,678,444.70-31,111,159.40

Finding the Fourth Proportional to 107,785,629.80, 161,678,444.70 and 31,111,159.40

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Solution

The fourth proportional to 107,785,629.80, 161,678,444.70 and 31,111,159.40 is: 46,666,739.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,785,629.80 : 161,678,444.70 = 31,111,159.40 : x
  2. Step 2: Convert to fraction form
    107,785,629.80/161,678,444.70 = 31,111,159.40/x
  3. Step 3: Cross multiply
    107,785,629.80x = 161,678,444.70 × 31,111,159.40
  4. Step 4: Simplify right side
    107,785,629.80x = 5,030,003,864,605,785
  5. Step 5: Solve for x
    x = 5,030,003,864,605,785/107,785,629.80
  6. Step 6: Final answer
    x = 46,666,739.10

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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.