Home / 190,041,027.60-285,628,411.80-186,639,805.20

Finding the Fourth Proportional to 190,041,027.60, 285,628,411.80 and 186,639,805.20

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Solution

The fourth proportional to 190,041,027.60, 285,628,411.80 and 186,639,805.20 is: 280,516,432.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,041,027.60 : 285,628,411.80 = 186,639,805.20 : x
  2. Step 2: Convert to fraction form
    190,041,027.60/285,628,411.80 = 186,639,805.20/x
  3. Step 3: Cross multiply
    190,041,027.60x = 285,628,411.80 × 186,639,805.20
  4. Step 4: Simplify right side
    190,041,027.60x = 53,309,631,137,937,384
  5. Step 5: Solve for x
    x = 53,309,631,137,937,384/190,041,027.60
  6. Step 6: Final answer
    x = 280,516,432.75

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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.