Home / 64,476,221.40-96,714,332.10-42,840,667.80

Finding the Fourth Proportional to 64,476,221.40, 96,714,332.10 and 42,840,667.80

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Solution

The fourth proportional to 64,476,221.40, 96,714,332.10 and 42,840,667.80 is: 64,261,001.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,476,221.40 : 96,714,332.10 = 42,840,667.80 : x
  2. Step 2: Convert to fraction form
    64,476,221.40/96,714,332.10 = 42,840,667.80/x
  3. Step 3: Cross multiply
    64,476,221.40x = 96,714,332.10 × 42,840,667.80
  4. Step 4: Simplify right side
    64,476,221.40x = 4,143,306,572,994,976
  5. Step 5: Solve for x
    x = 4,143,306,572,994,976/64,476,221.40
  6. Step 6: Final answer
    x = 64,261,001.70

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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.