Home / 85,229,535,541.64-127,872,695,529.90-28,575,004,625.96

Finding the Fourth Proportional to 85,229,535,541.64, 127,872,695,529.90 and 28,575,004,625.96

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Solution

The fourth proportional to 85,229,535,541.64, 127,872,695,529.90 and 28,575,004,625.96 is: 42,872,026,030.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,229,535,541.64 : 127,872,695,529.90 = 28,575,004,625.96 : x
  2. Step 2: Convert to fraction form
    85,229,535,541.64/127,872,695,529.90 = 28,575,004,625.96/x
  3. Step 3: Cross multiply
    85,229,535,541.64x = 127,872,695,529.90 × 28,575,004,625.96
  4. Step 4: Simplify right side
    85,229,535,541.64x = 3,653,962,866,300,866,789,376
  5. Step 5: Solve for x
    x = 3,653,962,866,300,866,789,376/85,229,535,541.64
  6. Step 6: Final answer
    x = 42,872,026,030.41

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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.