Home / 257,809,554.69-355,785,779.19-144,798,961.77

Finding the Fourth Proportional to 257,809,554.69, 355,785,779.19 and 144,798,961.77

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Solution

The fourth proportional to 257,809,554.69, 355,785,779.19 and 144,798,961.77 is: 199,827,393.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,809,554.69 : 355,785,779.19 = 144,798,961.77 : x
  2. Step 2: Convert to fraction form
    257,809,554.69/355,785,779.19 = 144,798,961.77/x
  3. Step 3: Cross multiply
    257,809,554.69x = 355,785,779.19 × 144,798,961.77
  4. Step 4: Simplify right side
    257,809,554.69x = 51,517,411,439,242,472
  5. Step 5: Solve for x
    x = 51,517,411,439,242,472/257,809,554.69
  6. Step 6: Final answer
    x = 199,827,393.91

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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.