Home / 108,872,445.40-163,308,668.10-68,561,661.40

Finding the Fourth Proportional to 108,872,445.40, 163,308,668.10 and 68,561,661.40

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Solution

The fourth proportional to 108,872,445.40, 163,308,668.10 and 68,561,661.40 is: 102,842,492.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,872,445.40 : 163,308,668.10 = 68,561,661.40 : x
  2. Step 2: Convert to fraction form
    108,872,445.40/163,308,668.10 = 68,561,661.40/x
  3. Step 3: Cross multiply
    108,872,445.40x = 163,308,668.10 × 68,561,661.40
  4. Step 4: Simplify right side
    108,872,445.40x = 11,196,713,605,957,182
  5. Step 5: Solve for x
    x = 11,196,713,605,957,182/108,872,445.40
  6. Step 6: Final answer
    x = 102,842,492.10

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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.