Home / 108,872,408.80-163,308,613.20-72,592,703.20

Finding the Fourth Proportional to 108,872,408.80, 163,308,613.20 and 72,592,703.20

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Solution

The fourth proportional to 108,872,408.80, 163,308,613.20 and 72,592,703.20 is: 108,889,054.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,872,408.80 : 163,308,613.20 = 72,592,703.20 : x
  2. Step 2: Convert to fraction form
    108,872,408.80/163,308,613.20 = 72,592,703.20/x
  3. Step 3: Cross multiply
    108,872,408.80x = 163,308,613.20 × 72,592,703.20
  4. Step 4: Simplify right side
    108,872,408.80x = 11,855,013,688,031,202
  5. Step 5: Solve for x
    x = 11,855,013,688,031,202/108,872,408.80
  6. Step 6: Final answer
    x = 108,889,054.80

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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.