Home / 74,307,294.15-111,460,941.23-31,207,429.05

Finding the Fourth Proportional to 74,307,294.15, 111,460,941.23 and 31,207,429.05

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Solution

The fourth proportional to 74,307,294.15, 111,460,941.23 and 31,207,429.05 is: 46,811,143.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,307,294.15 : 111,460,941.23 = 31,207,429.05 : x
  2. Step 2: Convert to fraction form
    74,307,294.15/111,460,941.23 = 31,207,429.05/x
  3. Step 3: Cross multiply
    74,307,294.15x = 111,460,941.23 × 31,207,429.05
  4. Step 4: Simplify right side
    74,307,294.15x = 3,478,409,415,125,407.50
  5. Step 5: Solve for x
    x = 3,478,409,415,125,407.50/74,307,294.15
  6. Step 6: Final answer
    x = 46,811,143.58

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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.