Home / 108,867,200.70-163,300,801.05-28,088,168.70

Finding the Fourth Proportional to 108,867,200.70, 163,300,801.05 and 28,088,168.70

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Solution

The fourth proportional to 108,867,200.70, 163,300,801.05 and 28,088,168.70 is: 42,132,253.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,867,200.70 : 163,300,801.05 = 28,088,168.70 : x
  2. Step 2: Convert to fraction form
    108,867,200.70/163,300,801.05 = 28,088,168.70/x
  3. Step 3: Cross multiply
    108,867,200.70x = 163,300,801.05 × 28,088,168.70
  4. Step 4: Simplify right side
    108,867,200.70x = 4,586,820,448,737,537
  5. Step 5: Solve for x
    x = 4,586,820,448,737,537/108,867,200.70
  6. Step 6: Final answer
    x = 42,132,253.05

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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.