Home / 221,184,187.60-331,776,281.40-207,736,200.40

Finding the Fourth Proportional to 221,184,187.60, 331,776,281.40 and 207,736,200.40

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Solution

The fourth proportional to 221,184,187.60, 331,776,281.40 and 207,736,200.40 is: 311,604,300.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,184,187.60 : 331,776,281.40 = 207,736,200.40 : x
  2. Step 2: Convert to fraction form
    221,184,187.60/331,776,281.40 = 207,736,200.40/x
  3. Step 3: Cross multiply
    221,184,187.60x = 331,776,281.40 × 207,736,200.40
  4. Step 4: Simplify right side
    221,184,187.60x = 68,921,944,080,877,192
  5. Step 5: Solve for x
    x = 68,921,944,080,877,192/221,184,187.60
  6. Step 6: Final answer
    x = 311,604,300.60

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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.