Home / 238,648,969.73-357,869,103.02-120,400,985.27

Finding the Fourth Proportional to 238,648,969.73, 357,869,103.02 and 120,400,985.27

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Solution

The fourth proportional to 238,648,969.73, 357,869,103.02 and 120,400,985.27 is: 180,548,831.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,648,969.73 : 357,869,103.02 = 120,400,985.27 : x
  2. Step 2: Convert to fraction form
    238,648,969.73/357,869,103.02 = 120,400,985.27/x
  3. Step 3: Cross multiply
    238,648,969.73x = 357,869,103.02 × 120,400,985.27
  4. Step 4: Simplify right side
    238,648,969.73x = 43,087,792,600,706,368
  5. Step 5: Solve for x
    x = 43,087,792,600,706,368/238,648,969.73
  6. Step 6: Final answer
    x = 180,548,831.41

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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.