Home / 89,339,968.10-134,009,952.15-71,424,064.10

Finding the Fourth Proportional to 89,339,968.10, 134,009,952.15 and 71,424,064.10

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Solution

The fourth proportional to 89,339,968.10, 134,009,952.15 and 71,424,064.10 is: 107,136,096.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,339,968.10 : 134,009,952.15 = 71,424,064.10 : x
  2. Step 2: Convert to fraction form
    89,339,968.10/134,009,952.15 = 71,424,064.10/x
  3. Step 3: Cross multiply
    89,339,968.10x = 134,009,952.15 × 71,424,064.10
  4. Step 4: Simplify right side
    89,339,968.10x = 9,571,535,412,399,532
  5. Step 5: Solve for x
    x = 9,571,535,412,399,532/89,339,968.10
  6. Step 6: Final answer
    x = 107,136,096.15

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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.