Home / 156,686,451.90-235,106,919.45-70,485,863.10

Finding the Fourth Proportional to 156,686,451.90, 235,106,919.45 and 70,485,863.10

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Solution

The fourth proportional to 156,686,451.90, 235,106,919.45 and 70,485,863.10 is: 105,763,542.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,686,451.90 : 235,106,919.45 = 70,485,863.10 : x
  2. Step 2: Convert to fraction form
    156,686,451.90/235,106,919.45 = 70,485,863.10/x
  3. Step 3: Cross multiply
    156,686,451.90x = 235,106,919.45 × 70,485,863.10
  4. Step 4: Simplify right side
    156,686,451.90x = 16,571,714,138,215,426
  5. Step 5: Solve for x
    x = 16,571,714,138,215,426/156,686,451.90
  6. Step 6: Final answer
    x = 105,763,542.01

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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.