Home / 134,868,128.36-186,118,014.87-72,988,466.92

Finding the Fourth Proportional to 134,868,128.36, 186,118,014.87 and 72,988,466.92

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Solution

The fourth proportional to 134,868,128.36, 186,118,014.87 and 72,988,466.92 is: 100,724,083.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,868,128.36 : 186,118,014.87 = 72,988,466.92 : x
  2. Step 2: Convert to fraction form
    134,868,128.36/186,118,014.87 = 72,988,466.92/x
  3. Step 3: Cross multiply
    134,868,128.36x = 186,118,014.87 × 72,988,466.92
  4. Step 4: Simplify right side
    134,868,128.36x = 13,584,468,571,089,770
  5. Step 5: Solve for x
    x = 13,584,468,571,089,770/134,868,128.36
  6. Step 6: Final answer
    x = 100,724,083.12

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.