Home / 66,768,019.28-100,021,659.81-46,014,750.01

Finding the Fourth Proportional to 66,768,019.28, 100,021,659.81 and 46,014,750.01

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Solution

The fourth proportional to 66,768,019.28, 100,021,659.81 and 46,014,750.01 is: 68,932,278.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,768,019.28 : 100,021,659.81 = 46,014,750.01 : x
  2. Step 2: Convert to fraction form
    66,768,019.28/100,021,659.81 = 46,014,750.01/x
  3. Step 3: Cross multiply
    66,768,019.28x = 100,021,659.81 × 46,014,750.01
  4. Step 4: Simplify right side
    66,768,019.28x = 4,602,471,671,413,525
  5. Step 5: Solve for x
    x = 4,602,471,671,413,525/66,768,019.28
  6. Step 6: Final answer
    x = 68,932,278.07

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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.