Home / 191,439,980.80-264,185,792-104,519,852.80

Finding the Fourth Proportional to 191,439,980.80, 264,185,792 and 104,519,852.80

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Solution

The fourth proportional to 191,439,980.80, 264,185,792 and 104,519,852.80 is: 144,236,642.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,439,980.80 : 264,185,792 = 104,519,852.80 : x
  2. Step 2: Convert to fraction form
    191,439,980.80/264,185,792 = 104,519,852.80/x
  3. Step 3: Cross multiply
    191,439,980.80x = 264,185,792 × 104,519,852.80
  4. Step 4: Simplify right side
    191,439,980.80x = 27,612,660,091,691,416
  5. Step 5: Solve for x
    x = 27,612,660,091,691,416/191,439,980.80
  6. Step 6: Final answer
    x = 144,236,642.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.