Home / 190,762,483.20-286,143,724.80-47,155,315.20

Finding the Fourth Proportional to 190,762,483.20, 286,143,724.80 and 47,155,315.20

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Solution

The fourth proportional to 190,762,483.20, 286,143,724.80 and 47,155,315.20 is: 70,732,972.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,762,483.20 : 286,143,724.80 = 47,155,315.20 : x
  2. Step 2: Convert to fraction form
    190,762,483.20/286,143,724.80 = 47,155,315.20/x
  3. Step 3: Cross multiply
    190,762,483.20x = 286,143,724.80 × 47,155,315.20
  4. Step 4: Simplify right side
    190,762,483.20x = 13,493,197,535,446,058
  5. Step 5: Solve for x
    x = 13,493,197,535,446,058/190,762,483.20
  6. Step 6: Final answer
    x = 70,732,972.80

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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.