Home / 66,928,681.36-100,421,398.86-32,410,802.08

Finding the Fourth Proportional to 66,928,681.36, 100,421,398.86 and 32,410,802.08

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Solution

The fourth proportional to 66,928,681.36, 100,421,398.86 and 32,410,802.08 is: 48,629,944.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,928,681.36 : 100,421,398.86 = 32,410,802.08 : x
  2. Step 2: Convert to fraction form
    66,928,681.36/100,421,398.86 = 32,410,802.08/x
  3. Step 3: Cross multiply
    66,928,681.36x = 100,421,398.86 × 32,410,802.08
  4. Step 4: Simplify right side
    66,928,681.36x = 3,254,738,083,048,197.50
  5. Step 5: Solve for x
    x = 3,254,738,083,048,197.50/66,928,681.36
  6. Step 6: Final answer
    x = 48,629,944.84

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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.