Home / 262,008,007.40-393,012,011.10-201,541,831.40

Finding the Fourth Proportional to 262,008,007.40, 393,012,011.10 and 201,541,831.40

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Solution

The fourth proportional to 262,008,007.40, 393,012,011.10 and 201,541,831.40 is: 302,312,747.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,008,007.40 : 393,012,011.10 = 201,541,831.40 : x
  2. Step 2: Convert to fraction form
    262,008,007.40/393,012,011.10 = 201,541,831.40/x
  3. Step 3: Cross multiply
    262,008,007.40x = 393,012,011.10 × 201,541,831.40
  4. Step 4: Simplify right side
    262,008,007.40x = 79,208,360,479,291,136
  5. Step 5: Solve for x
    x = 79,208,360,479,291,136/262,008,007.40
  6. Step 6: Final answer
    x = 302,312,747.10

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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.