Home / 69,709,501.60-96,200,348.16-38,769,683.20

Finding the Fourth Proportional to 69,709,501.60, 96,200,348.16 and 38,769,683.20

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Solution

The fourth proportional to 69,709,501.60, 96,200,348.16 and 38,769,683.20 is: 53,502,850.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,709,501.60 : 96,200,348.16 = 38,769,683.20 : x
  2. Step 2: Convert to fraction form
    69,709,501.60/96,200,348.16 = 38,769,683.20/x
  3. Step 3: Cross multiply
    69,709,501.60x = 96,200,348.16 × 38,769,683.20
  4. Step 4: Simplify right side
    69,709,501.60x = 3,729,657,021,892,903
  5. Step 5: Solve for x
    x = 3,729,657,021,892,903/69,709,501.60
  6. Step 6: Final answer
    x = 53,502,850.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.