Home / 149,767,039.23-206,674,549.10-83,688,080.48

Finding the Fourth Proportional to 149,767,039.23, 206,674,549.10 and 83,688,080.48

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Solution

The fourth proportional to 149,767,039.23, 206,674,549.10 and 83,688,080.48 is: 115,487,335.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,767,039.23 : 206,674,549.10 = 83,688,080.48 : x
  2. Step 2: Convert to fraction form
    149,767,039.23/206,674,549.10 = 83,688,080.48/x
  3. Step 3: Cross multiply
    149,767,039.23x = 206,674,549.10 × 83,688,080.48
  4. Step 4: Simplify right side
    149,767,039.23x = 17,296,196,296,796,698
  5. Step 5: Solve for x
    x = 17,296,196,296,796,698/149,767,039.23
  6. Step 6: Final answer
    x = 115,487,335.44

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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.