Home / 108,209,389.97-162,316,448.00-65,114,642.45

Finding the Fourth Proportional to 108,209,389.97, 162,316,448.00 and 65,114,642.45

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Solution

The fourth proportional to 108,209,389.97, 162,316,448.00 and 65,114,642.45 is: 97,673,385.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,209,389.97 : 162,316,448.00 = 65,114,642.45 : x
  2. Step 2: Convert to fraction form
    108,209,389.97/162,316,448.00 = 65,114,642.45/x
  3. Step 3: Cross multiply
    108,209,389.97x = 162,316,448.00 × 65,114,642.45
  4. Step 4: Simplify right side
    108,209,389.97x = 10,569,177,475,598,416
  5. Step 5: Solve for x
    x = 10,569,177,475,598,416/108,209,389.97
  6. Step 6: Final answer
    x = 97,673,385.63

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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.