Home / 130,463,949.36-180,040,365.36-71,727,613.68

Finding the Fourth Proportional to 130,463,949.36, 180,040,365.36 and 71,727,613.68

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Solution

The fourth proportional to 130,463,949.36, 180,040,365.36 and 71,727,613.68 is: 98,984,170.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,463,949.36 : 180,040,365.36 = 71,727,613.68 : x
  2. Step 2: Convert to fraction form
    130,463,949.36/180,040,365.36 = 71,727,613.68/x
  3. Step 3: Cross multiply
    130,463,949.36x = 180,040,365.36 × 71,727,613.68
  4. Step 4: Simplify right side
    130,463,949.36x = 12,913,865,773,348,136
  5. Step 5: Solve for x
    x = 12,913,865,773,348,136/130,463,949.36
  6. Step 6: Final answer
    x = 98,984,170.24

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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.