Home / 210,242,242.88-315,364,140.48-64,674,796.16

Finding the Fourth Proportional to 210,242,242.88, 315,364,140.48 and 64,674,796.16

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Solution

The fourth proportional to 210,242,242.88, 315,364,140.48 and 64,674,796.16 is: 97,012,433.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,242,242.88 : 315,364,140.48 = 64,674,796.16 : x
  2. Step 2: Convert to fraction form
    210,242,242.88/315,364,140.48 = 64,674,796.16/x
  3. Step 3: Cross multiply
    210,242,242.88x = 315,364,140.48 × 64,674,796.16
  4. Step 4: Simplify right side
    210,242,242.88x = 20,396,111,501,717,604
  5. Step 5: Solve for x
    x = 20,396,111,501,717,604/210,242,242.88
  6. Step 6: Final answer
    x = 97,012,433.00

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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.