Home / 161,755,547.80-242,633,321.70-107,335,989.40

Finding the Fourth Proportional to 161,755,547.80, 242,633,321.70 and 107,335,989.40

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Solution

The fourth proportional to 161,755,547.80, 242,633,321.70 and 107,335,989.40 is: 161,003,984.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,755,547.80 : 242,633,321.70 = 107,335,989.40 : x
  2. Step 2: Convert to fraction form
    161,755,547.80/242,633,321.70 = 107,335,989.40/x
  3. Step 3: Cross multiply
    161,755,547.80x = 242,633,321.70 × 107,335,989.40
  4. Step 4: Simplify right side
    161,755,547.80x = 26,043,287,646,077,992
  5. Step 5: Solve for x
    x = 26,043,287,646,077,992/161,755,547.80
  6. Step 6: Final answer
    x = 161,003,984.10

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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.