Home / 108,670,513.20-163,005,769.80-97,920,970.80

Finding the Fourth Proportional to 108,670,513.20, 163,005,769.80 and 97,920,970.80

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Solution

The fourth proportional to 108,670,513.20, 163,005,769.80 and 97,920,970.80 is: 146,881,456.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,670,513.20 : 163,005,769.80 = 97,920,970.80 : x
  2. Step 2: Convert to fraction form
    108,670,513.20/163,005,769.80 = 97,920,970.80/x
  3. Step 3: Cross multiply
    108,670,513.20x = 163,005,769.80 × 97,920,970.80
  4. Step 4: Simplify right side
    108,670,513.20x = 15,961,683,224,817,322
  5. Step 5: Solve for x
    x = 15,961,683,224,817,322/108,670,513.20
  6. Step 6: Final answer
    x = 146,881,456.20

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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.