Home / 121,299,009.18-182,030,381.54-47,513,636.94

Finding the Fourth Proportional to 121,299,009.18, 182,030,381.54 and 47,513,636.94

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Solution

The fourth proportional to 121,299,009.18, 182,030,381.54 and 47,513,636.94 is: 71,302,523.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,299,009.18 : 182,030,381.54 = 47,513,636.94 : x
  2. Step 2: Convert to fraction form
    121,299,009.18/182,030,381.54 = 47,513,636.94/x
  3. Step 3: Cross multiply
    121,299,009.18x = 182,030,381.54 × 47,513,636.94
  4. Step 4: Simplify right side
    121,299,009.18x = 8,648,925,460,660,021
  5. Step 5: Solve for x
    x = 8,648,925,460,660,021/121,299,009.18
  6. Step 6: Final answer
    x = 71,302,523.57

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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.