Home / 130,038,812.98-179,455,298.16-71,301,329.26

Finding the Fourth Proportional to 130,038,812.98, 179,455,298.16 and 71,301,329.26

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Solution

The fourth proportional to 130,038,812.98, 179,455,298.16 and 71,301,329.26 is: 98,396,786.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,038,812.98 : 179,455,298.16 = 71,301,329.26 : x
  2. Step 2: Convert to fraction form
    130,038,812.98/179,455,298.16 = 71,301,329.26/x
  3. Step 3: Cross multiply
    130,038,812.98x = 179,455,298.16 × 71,301,329.26
  4. Step 4: Simplify right side
    130,038,812.98x = 12,795,401,301,557,632
  5. Step 5: Solve for x
    x = 12,795,401,301,557,632/130,038,812.98
  6. Step 6: Final answer
    x = 98,396,786.38

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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.