Home / 70,401,503.52-97,158,564.72-39,461,680.80

Finding the Fourth Proportional to 70,401,503.52, 97,158,564.72 and 39,461,680.80

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Solution

The fourth proportional to 70,401,503.52, 97,158,564.72 and 39,461,680.80 is: 54,459,636.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,401,503.52 : 97,158,564.72 = 39,461,680.80 : x
  2. Step 2: Convert to fraction form
    70,401,503.52/97,158,564.72 = 39,461,680.80/x
  3. Step 3: Cross multiply
    70,401,503.52x = 97,158,564.72 × 39,461,680.80
  4. Step 4: Simplify right side
    70,401,503.52x = 3,834,040,267,966,781
  5. Step 5: Solve for x
    x = 3,834,040,267,966,781/70,401,503.52
  6. Step 6: Final answer
    x = 54,459,636.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.