Home / 99,076,584.20-148,614,876.30-64,639,207.40

Finding the Fourth Proportional to 99,076,584.20, 148,614,876.30 and 64,639,207.40

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Solution

The fourth proportional to 99,076,584.20, 148,614,876.30 and 64,639,207.40 is: 96,958,811.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,076,584.20 : 148,614,876.30 = 64,639,207.40 : x
  2. Step 2: Convert to fraction form
    99,076,584.20/148,614,876.30 = 64,639,207.40/x
  3. Step 3: Cross multiply
    99,076,584.20x = 148,614,876.30 × 64,639,207.40
  4. Step 4: Simplify right side
    99,076,584.20x = 9,606,347,811,881,046
  5. Step 5: Solve for x
    x = 9,606,347,811,881,046/99,076,584.20
  6. Step 6: Final answer
    x = 96,958,811.10

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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.