Home / 145,165,323.20-217,747,984.80-64,386,291.20

Finding the Fourth Proportional to 145,165,323.20, 217,747,984.80 and 64,386,291.20

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Solution

The fourth proportional to 145,165,323.20, 217,747,984.80 and 64,386,291.20 is: 96,579,436.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,165,323.20 : 217,747,984.80 = 64,386,291.20 : x
  2. Step 2: Convert to fraction form
    145,165,323.20/217,747,984.80 = 64,386,291.20/x
  3. Step 3: Cross multiply
    145,165,323.20x = 217,747,984.80 × 64,386,291.20
  4. Step 4: Simplify right side
    145,165,323.20x = 14,019,985,157,545,976
  5. Step 5: Solve for x
    x = 14,019,985,157,545,976/145,165,323.20
  6. Step 6: Final answer
    x = 96,579,436.80

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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.