Home / 210,356,501.88-315,568,656.18-64,790,015.16

Finding the Fourth Proportional to 210,356,501.88, 315,568,656.18 and 64,790,015.16

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Solution

The fourth proportional to 210,356,501.88, 315,568,656.18 and 64,790,015.16 is: 97,195,465.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,356,501.88 : 315,568,656.18 = 64,790,015.16 : x
  2. Step 2: Convert to fraction form
    210,356,501.88/315,568,656.18 = 64,790,015.16/x
  3. Step 3: Cross multiply
    210,356,501.88x = 315,568,656.18 × 64,790,015.16
  4. Step 4: Simplify right side
    210,356,501.88x = 20,445,698,017,923,028
  5. Step 5: Solve for x
    x = 20,445,698,017,923,028/210,356,501.88
  6. Step 6: Final answer
    x = 97,195,465.01

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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.