Home / 185,510,924.60-278,182,406.10-70,457,228.60

Finding the Fourth Proportional to 185,510,924.60, 278,182,406.10 and 70,457,228.60

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Solution

The fourth proportional to 185,510,924.60, 278,182,406.10 and 70,457,228.60 is: 105,653,946.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,510,924.60 : 278,182,406.10 = 70,457,228.60 : x
  2. Step 2: Convert to fraction form
    185,510,924.60/278,182,406.10 = 70,457,228.60/x
  3. Step 3: Cross multiply
    185,510,924.60x = 278,182,406.10 × 70,457,228.60
  4. Step 4: Simplify right side
    185,510,924.60x = 19,599,961,379,085,736
  5. Step 5: Solve for x
    x = 19,599,961,379,085,736/185,510,924.60
  6. Step 6: Final answer
    x = 105,653,946.91

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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.