Home / 108,889,698.30-163,145,590.65-70,531,467.90

Finding the Fourth Proportional to 108,889,698.30, 163,145,590.65 and 70,531,467.90

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Solution

The fourth proportional to 108,889,698.30, 163,145,590.65 and 70,531,467.90 is: 105,674,808.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,889,698.30 : 163,145,590.65 = 70,531,467.90 : x
  2. Step 2: Convert to fraction form
    108,889,698.30/163,145,590.65 = 70,531,467.90/x
  3. Step 3: Cross multiply
    108,889,698.30x = 163,145,590.65 × 70,531,467.90
  4. Step 4: Simplify right side
    108,889,698.30x = 11,506,897,989,957,016
  5. Step 5: Solve for x
    x = 11,506,897,989,957,016/108,889,698.30
  6. Step 6: Final answer
    x = 105,674,808.27

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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.