Home / 215,669,155.29-297,636,771.98-118,998,040.30

Finding the Fourth Proportional to 215,669,155.29, 297,636,771.98 and 118,998,040.30

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Solution

The fourth proportional to 215,669,155.29, 297,636,771.98 and 118,998,040.30 is: 164,224,654.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,669,155.29 : 297,636,771.98 = 118,998,040.30 : x
  2. Step 2: Convert to fraction form
    215,669,155.29/297,636,771.98 = 118,998,040.30/x
  3. Step 3: Cross multiply
    215,669,155.29x = 297,636,771.98 × 118,998,040.30
  4. Step 4: Simplify right side
    215,669,155.29x = 35,418,192,587,507,492
  5. Step 5: Solve for x
    x = 35,418,192,587,507,492/215,669,155.29
  6. Step 6: Final answer
    x = 164,224,654.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.