Home / 64,369,612.20-96,554,418.30-18,935,999.40

Finding the Fourth Proportional to 64,369,612.20, 96,554,418.30 and 18,935,999.40

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Solution

The fourth proportional to 64,369,612.20, 96,554,418.30 and 18,935,999.40 is: 28,403,999.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,369,612.20 : 96,554,418.30 = 18,935,999.40 : x
  2. Step 2: Convert to fraction form
    64,369,612.20/96,554,418.30 = 18,935,999.40/x
  3. Step 3: Cross multiply
    64,369,612.20x = 96,554,418.30 × 18,935,999.40
  4. Step 4: Simplify right side
    64,369,612.20x = 1,828,354,406,996,148.75
  5. Step 5: Solve for x
    x = 1,828,354,406,996,148.75/64,369,612.20
  6. Step 6: Final answer
    x = 28,403,999.10

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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.