Home / 190,762,438.20-286,143,657.30-47,155,270.20

Finding the Fourth Proportional to 190,762,438.20, 286,143,657.30 and 47,155,270.20

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Solution

The fourth proportional to 190,762,438.20, 286,143,657.30 and 47,155,270.20 is: 70,732,905.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,762,438.20 : 286,143,657.30 = 47,155,270.20 : x
  2. Step 2: Convert to fraction form
    190,762,438.20/286,143,657.30 = 47,155,270.20/x
  3. Step 3: Cross multiply
    190,762,438.20x = 286,143,657.30 × 47,155,270.20
  4. Step 4: Simplify right side
    190,762,438.20x = 13,493,181,475,997,704
  5. Step 5: Solve for x
    x = 13,493,181,475,997,704/190,762,438.20
  6. Step 6: Final answer
    x = 70,732,905.30

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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.