Home / 108,338,733.88-162,506,218.64-43,640,885.10

Finding the Fourth Proportional to 108,338,733.88, 162,506,218.64 and 43,640,885.10

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Solution

The fourth proportional to 108,338,733.88, 162,506,218.64 and 43,640,885.10 is: 65,460,569.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,338,733.88 : 162,506,218.64 = 43,640,885.10 : x
  2. Step 2: Convert to fraction form
    108,338,733.88/162,506,218.64 = 43,640,885.10/x
  3. Step 3: Cross multiply
    108,338,733.88x = 162,506,218.64 × 43,640,885.10
  4. Step 4: Simplify right side
    108,338,733.88x = 7,091,915,215,703,718
  5. Step 5: Solve for x
    x = 7,091,915,215,703,718/108,338,733.88
  6. Step 6: Final answer
    x = 65,460,569.47

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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.