Home / 89,339,969.60-134,009,954.40-71,424,065.60

Finding the Fourth Proportional to 89,339,969.60, 134,009,954.40 and 71,424,065.60

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Solution

The fourth proportional to 89,339,969.60, 134,009,954.40 and 71,424,065.60 is: 107,136,098.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,339,969.60 : 134,009,954.40 = 71,424,065.60 : x
  2. Step 2: Convert to fraction form
    89,339,969.60/134,009,954.40 = 71,424,065.60/x
  3. Step 3: Cross multiply
    89,339,969.60x = 134,009,954.40 × 71,424,065.60
  4. Step 4: Simplify right side
    89,339,969.60x = 9,571,535,774,118,608
  5. Step 5: Solve for x
    x = 9,571,535,774,118,608/89,339,969.60
  6. Step 6: Final answer
    x = 107,136,098.40

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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.