Home / 107,790,475.80-161,706,708.90-31,116,005.40

Finding the Fourth Proportional to 107,790,475.80, 161,706,708.90 and 31,116,005.40

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Solution

The fourth proportional to 107,790,475.80, 161,706,708.90 and 31,116,005.40 is: 46,680,068.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,790,475.80 : 161,706,708.90 = 31,116,005.40 : x
  2. Step 2: Convert to fraction form
    107,790,475.80/161,706,708.90 = 31,116,005.40/x
  3. Step 3: Cross multiply
    107,790,475.80x = 161,706,708.90 × 31,116,005.40
  4. Step 4: Simplify right side
    107,790,475.80x = 5,031,666,827,348,628
  5. Step 5: Solve for x
    x = 5,031,666,827,348,628/107,790,475.80
  6. Step 6: Final answer
    x = 46,680,068.81

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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.