Home / 108,866,098.80-163,299,148.20-70,318,911.60

Finding the Fourth Proportional to 108,866,098.80, 163,299,148.20 and 70,318,911.60

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Solution

The fourth proportional to 108,866,098.80, 163,299,148.20 and 70,318,911.60 is: 105,478,367.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,866,098.80 : 163,299,148.20 = 70,318,911.60 : x
  2. Step 2: Convert to fraction form
    108,866,098.80/163,299,148.20 = 70,318,911.60/x
  3. Step 3: Cross multiply
    108,866,098.80x = 163,299,148.20 × 70,318,911.60
  4. Step 4: Simplify right side
    108,866,098.80x = 11,483,018,366,631,098
  5. Step 5: Solve for x
    x = 11,483,018,366,631,098/108,866,098.80
  6. Step 6: Final answer
    x = 105,478,367.40

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1.5x scale

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.