Home / 64,369,243.20-96,553,864.80-18,935,630.40

Finding the Fourth Proportional to 64,369,243.20, 96,553,864.80 and 18,935,630.40

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Solution

The fourth proportional to 64,369,243.20, 96,553,864.80 and 18,935,630.40 is: 28,403,445.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,369,243.20 : 96,553,864.80 = 18,935,630.40 : x
  2. Step 2: Convert to fraction form
    64,369,243.20/96,553,864.80 = 18,935,630.40/x
  3. Step 3: Cross multiply
    64,369,243.20x = 96,553,864.80 × 18,935,630.40
  4. Step 4: Simplify right side
    64,369,243.20x = 1,828,308,297,544,369.75
  5. Step 5: Solve for x
    x = 1,828,308,297,544,369.75/64,369,243.20
  6. Step 6: Final answer
    x = 28,403,445.60

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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.