Home / 212,333,919.42-318,518,955.80-64,814,614.16

Finding the Fourth Proportional to 212,333,919.42, 318,518,955.80 and 64,814,614.16

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Solution

The fourth proportional to 212,333,919.42, 318,518,955.80 and 64,814,614.16 is: 97,227,439.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,333,919.42 : 318,518,955.80 = 64,814,614.16 : x
  2. Step 2: Convert to fraction form
    212,333,919.42/318,518,955.80 = 64,814,614.16/x
  3. Step 3: Cross multiply
    212,333,919.42x = 318,518,955.80 × 64,814,614.16
  4. Step 4: Simplify right side
    212,333,919.42x = 20,644,683,223,781,428
  5. Step 5: Solve for x
    x = 20,644,683,223,781,428/212,333,919.42
  6. Step 6: Final answer
    x = 97,227,439.12

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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.