Home / 113,076,006.40-169,614,009.60-90,401,190.40

Finding the Fourth Proportional to 113,076,006.40, 169,614,009.60 and 90,401,190.40

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Solution

The fourth proportional to 113,076,006.40, 169,614,009.60 and 90,401,190.40 is: 135,601,785.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,076,006.40 : 169,614,009.60 = 90,401,190.40 : x
  2. Step 2: Convert to fraction form
    113,076,006.40/169,614,009.60 = 90,401,190.40/x
  3. Step 3: Cross multiply
    113,076,006.40x = 169,614,009.60 × 90,401,190.40
  4. Step 4: Simplify right side
    113,076,006.40x = 15,333,308,376,357,028
  5. Step 5: Solve for x
    x = 15,333,308,376,357,028/113,076,006.40
  6. Step 6: Final answer
    x = 135,601,785.60

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1.5x scale

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.