Home / 186,639,237.60-279,958,856.40-159,429,458.40

Finding the Fourth Proportional to 186,639,237.60, 279,958,856.40 and 159,429,458.40

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Solution

The fourth proportional to 186,639,237.60, 279,958,856.40 and 159,429,458.40 is: 239,144,187.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,639,237.60 : 279,958,856.40 = 159,429,458.40 : x
  2. Step 2: Convert to fraction form
    186,639,237.60/279,958,856.40 = 159,429,458.40/x
  3. Step 3: Cross multiply
    186,639,237.60x = 279,958,856.40 × 159,429,458.40
  4. Step 4: Simplify right side
    186,639,237.60x = 44,633,688,850,135,368
  5. Step 5: Solve for x
    x = 44,633,688,850,135,368/186,639,237.60
  6. Step 6: Final answer
    x = 239,144,187.60

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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.