Home / 86,897,613.60-130,430,401.20-52,885,389.60

Finding the Fourth Proportional to 86,897,613.60, 130,430,401.20 and 52,885,389.60

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Solution

The fourth proportional to 86,897,613.60, 130,430,401.20 and 52,885,389.60 is: 79,379,194.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,897,613.60 : 130,430,401.20 = 52,885,389.60 : x
  2. Step 2: Convert to fraction form
    86,897,613.60/130,430,401.20 = 52,885,389.60/x
  3. Step 3: Cross multiply
    86,897,613.60x = 130,430,401.20 × 52,885,389.60
  4. Step 4: Simplify right side
    86,897,613.60x = 6,897,862,583,146,308
  5. Step 5: Solve for x
    x = 6,897,862,583,146,308/86,897,613.60
  6. Step 6: Final answer
    x = 79,379,194.63

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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.