Home / 212,104,983.96-318,203,269.81-64,564,081.16

Finding the Fourth Proportional to 212,104,983.96, 318,203,269.81 and 64,564,081.16

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Solution

The fourth proportional to 212,104,983.96, 318,203,269.81 and 64,564,081.16 is: 96,860,061.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,104,983.96 : 318,203,269.81 = 64,564,081.16 : x
  2. Step 2: Convert to fraction form
    212,104,983.96/318,203,269.81 = 64,564,081.16/x
  3. Step 3: Cross multiply
    212,104,983.96x = 318,203,269.81 × 64,564,081.16
  4. Step 4: Simplify right side
    212,104,983.96x = 20,544,501,735,637,792
  5. Step 5: Solve for x
    x = 20,544,501,735,637,792/212,104,983.96
  6. Step 6: Final answer
    x = 96,860,061.24

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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.