Home / 137,701,040.50-190,031,616.48-75,823,593.40

Finding the Fourth Proportional to 137,701,040.50, 190,031,616.48 and 75,823,593.40

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Solution

The fourth proportional to 137,701,040.50, 190,031,616.48 and 75,823,593.40 is: 104,638,860.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,701,040.50 : 190,031,616.48 = 75,823,593.40 : x
  2. Step 2: Convert to fraction form
    137,701,040.50/190,031,616.48 = 75,823,593.40/x
  3. Step 3: Cross multiply
    137,701,040.50x = 190,031,616.48 × 75,823,593.40
  4. Step 4: Simplify right side
    137,701,040.50x = 14,408,880,021,124,260
  5. Step 5: Solve for x
    x = 14,408,880,021,124,260/137,701,040.50
  6. Step 6: Final answer
    x = 104,638,860.89

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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.