Home / 108,867,553.20-163,301,329.80-28,088,521.20

Finding the Fourth Proportional to 108,867,553.20, 163,301,329.80 and 28,088,521.20

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Solution

The fourth proportional to 108,867,553.20, 163,301,329.80 and 28,088,521.20 is: 42,132,781.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,867,553.20 : 163,301,329.80 = 28,088,521.20 : x
  2. Step 2: Convert to fraction form
    108,867,553.20/163,301,329.80 = 28,088,521.20/x
  3. Step 3: Cross multiply
    108,867,553.20x = 163,301,329.80 × 28,088,521.20
  4. Step 4: Simplify right side
    108,867,553.20x = 4,586,892,864,075,492
  5. Step 5: Solve for x
    x = 4,586,892,864,075,492/108,867,553.20
  6. Step 6: Final answer
    x = 42,132,781.80

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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.