Home / 172,925,506,421.76-238,514,178,131.20-158,698,277,103.36

Finding the Fourth Proportional to 172,925,506,421.76, 238,514,178,131.20 and 158,698,277,103.36

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Solution

The fourth proportional to 172,925,506,421.76, 238,514,178,131.20 and 158,698,277,103.36 is: 218,890,723,048.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,925,506,421.76 : 238,514,178,131.20 = 158,698,277,103.36 : x
  2. Step 2: Convert to fraction form
    172,925,506,421.76/238,514,178,131.20 = 158,698,277,103.36/x
  3. Step 3: Cross multiply
    172,925,506,421.76x = 238,514,178,131.20 × 158,698,277,103.36
  4. Step 4: Simplify right side
    172,925,506,421.76x = 37,851,789,134,145,345,552,384
  5. Step 5: Solve for x
    x = 37,851,789,134,145,345,552,384/172,925,506,421.76
  6. Step 6: Final answer
    x = 218,890,723,048.26

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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.