Home / 51,148,411.82-76,771,122.79-31,658,683.16

Finding the Fourth Proportional to 51,148,411.82, 76,771,122.79 and 31,658,683.16

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Solution

The fourth proportional to 51,148,411.82, 76,771,122.79 and 31,658,683.16 is: 47,518,047.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,148,411.82 : 76,771,122.79 = 31,658,683.16 : x
  2. Step 2: Convert to fraction form
    51,148,411.82/76,771,122.79 = 31,658,683.16/x
  3. Step 3: Cross multiply
    51,148,411.82x = 76,771,122.79 × 31,658,683.16
  4. Step 4: Simplify right side
    51,148,411.82x = 2,430,472,651,986,369
  5. Step 5: Solve for x
    x = 2,430,472,651,986,369/51,148,411.82
  6. Step 6: Final answer
    x = 47,518,047.29

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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.