Home / 87,242,013,091.50-130,679,756,792.94-55,354,272,207

Finding the Fourth Proportional to 87,242,013,091.50, 130,679,756,792.94 and 55,354,272,207

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Solution

The fourth proportional to 87,242,013,091.50, 130,679,756,792.94 and 55,354,272,207 is: 82,915,129,684.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,242,013,091.50 : 130,679,756,792.94 = 55,354,272,207 : x
  2. Step 2: Convert to fraction form
    87,242,013,091.50/130,679,756,792.94 = 55,354,272,207/x
  3. Step 3: Cross multiply
    87,242,013,091.50x = 130,679,756,792.94 × 55,354,272,207
  4. Step 4: Simplify right side
    87,242,013,091.50x = 7,233,682,829,460,958,609,408
  5. Step 5: Solve for x
    x = 7,233,682,829,460,958,609,408/87,242,013,091.50
  6. Step 6: Final answer
    x = 82,915,129,684.99

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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.