Home / 173,319,801.30-238,779,342.90-121,026,006.90

Finding the Fourth Proportional to 173,319,801.30, 238,779,342.90 and 121,026,006.90

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Solution

The fourth proportional to 173,319,801.30, 238,779,342.90 and 121,026,006.90 is: 166,735,192.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,319,801.30 : 238,779,342.90 = 121,026,006.90 : x
  2. Step 2: Convert to fraction form
    173,319,801.30/238,779,342.90 = 121,026,006.90/x
  3. Step 3: Cross multiply
    173,319,801.30x = 238,779,342.90 × 121,026,006.90
  4. Step 4: Simplify right side
    173,319,801.30x = 28,898,510,401,392,868
  5. Step 5: Solve for x
    x = 28,898,510,401,392,868/173,319,801.30
  6. Step 6: Final answer
    x = 166,735,192.31

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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.