Home / 64,680,006.40-97,020,009.60-30,667,782.40

Finding the Fourth Proportional to 64,680,006.40, 97,020,009.60 and 30,667,782.40

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Solution

The fourth proportional to 64,680,006.40, 97,020,009.60 and 30,667,782.40 is: 46,001,673.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,680,006.40 : 97,020,009.60 = 30,667,782.40 : x
  2. Step 2: Convert to fraction form
    64,680,006.40/97,020,009.60 = 30,667,782.40/x
  3. Step 3: Cross multiply
    64,680,006.40x = 97,020,009.60 × 30,667,782.40
  4. Step 4: Simplify right side
    64,680,006.40x = 2,975,388,542,858,710.50
  5. Step 5: Solve for x
    x = 2,975,388,542,858,710.50/64,680,006.40
  6. Step 6: Final answer
    x = 46,001,673.60

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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.