Home / 322,554,539.82-483,831,831.75-128,602,157.52

Finding the Fourth Proportional to 322,554,539.82, 483,831,831.75 and 128,602,157.52

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Solution

The fourth proportional to 322,554,539.82, 483,831,831.75 and 128,602,157.52 is: 192,903,245.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,554,539.82 : 483,831,831.75 = 128,602,157.52 : x
  2. Step 2: Convert to fraction form
    322,554,539.82/483,831,831.75 = 128,602,157.52/x
  3. Step 3: Cross multiply
    322,554,539.82x = 483,831,831.75 × 128,602,157.52
  4. Step 4: Simplify right side
    322,554,539.82x = 62,221,817,439,903,632
  5. Step 5: Solve for x
    x = 62,221,817,439,903,632/322,554,539.82
  6. Step 6: Final answer
    x = 192,903,245.06

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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.