Home / 74,935,967.20-103,354,378.53-64,499,462.41

Finding the Fourth Proportional to 74,935,967.20, 103,354,378.53 and 64,499,462.41

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Solution

The fourth proportional to 74,935,967.20, 103,354,378.53 and 64,499,462.41 is: 88,959,976.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,935,967.20 : 103,354,378.53 = 64,499,462.41 : x
  2. Step 2: Convert to fraction form
    74,935,967.20/103,354,378.53 = 64,499,462.41/x
  3. Step 3: Cross multiply
    74,935,967.20x = 103,354,378.53 × 64,499,462.41
  4. Step 4: Simplify right side
    74,935,967.20x = 6,666,301,852,960,663
  5. Step 5: Solve for x
    x = 6,666,301,852,960,663/74,935,967.20
  6. Step 6: Final answer
    x = 88,959,976.13

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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.