Home / 86,060,823.11-129,020,892.53-40,031,389.50

Finding the Fourth Proportional to 86,060,823.11, 129,020,892.53 and 40,031,389.50

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Solution

The fourth proportional to 86,060,823.11, 129,020,892.53 and 40,031,389.50 is: 60,014,364.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,060,823.11 : 129,020,892.53 = 40,031,389.50 : x
  2. Step 2: Convert to fraction form
    86,060,823.11/129,020,892.53 = 40,031,389.50/x
  3. Step 3: Cross multiply
    86,060,823.11x = 129,020,892.53 × 40,031,389.50
  4. Step 4: Simplify right side
    86,060,823.11x = 5,164,885,601,822,086
  5. Step 5: Solve for x
    x = 5,164,885,601,822,086/86,060,823.11
  6. Step 6: Final answer
    x = 60,014,364.44

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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.