Home / 207,180,918.72-285,909,624.72-114,361,402.32

Finding the Fourth Proportional to 207,180,918.72, 285,909,624.72 and 114,361,402.32

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Solution

The fourth proportional to 207,180,918.72, 285,909,624.72 and 114,361,402.32 is: 157,818,711.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,180,918.72 : 285,909,624.72 = 114,361,402.32 : x
  2. Step 2: Convert to fraction form
    207,180,918.72/285,909,624.72 = 114,361,402.32/x
  3. Step 3: Cross multiply
    207,180,918.72x = 285,909,624.72 × 114,361,402.32
  4. Step 4: Simplify right side
    207,180,918.72x = 32,697,025,619,764,140
  5. Step 5: Solve for x
    x = 32,697,025,619,764,140/207,180,918.72
  6. Step 6: Final answer
    x = 157,818,711.40

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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.