Home / 190,738,180.47-285,724,193.28-86,964,637.50

Finding the Fourth Proportional to 190,738,180.47, 285,724,193.28 and 86,964,637.50

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Solution

The fourth proportional to 190,738,180.47, 285,724,193.28 and 86,964,637.50 is: 130,272,296.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,738,180.47 : 285,724,193.28 = 86,964,637.50 : x
  2. Step 2: Convert to fraction form
    190,738,180.47/285,724,193.28 = 86,964,637.50/x
  3. Step 3: Cross multiply
    190,738,180.47x = 285,724,193.28 × 86,964,637.50
  4. Step 4: Simplify right side
    190,738,180.47x = 24,847,900,892,667,168
  5. Step 5: Solve for x
    x = 24,847,900,892,667,168/190,738,180.47
  6. Step 6: Final answer
    x = 130,272,296.98

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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.