Home / 102,443,682,328.32-153,718,054,765.92-49,429,927,178.40

Finding the Fourth Proportional to 102,443,682,328.32, 153,718,054,765.92 and 49,429,927,178.40

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Solution

The fourth proportional to 102,443,682,328.32, 153,718,054,765.92 and 49,429,927,178.40 is: 74,170,237,543.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,443,682,328.32 : 153,718,054,765.92 = 49,429,927,178.40 : x
  2. Step 2: Convert to fraction form
    102,443,682,328.32/153,718,054,765.92 = 49,429,927,178.40/x
  3. Step 3: Cross multiply
    102,443,682,328.32x = 153,718,054,765.92 × 49,429,927,178.40
  4. Step 4: Simplify right side
    102,443,682,328.32x = 7,598,272,253,084,729,081,856
  5. Step 5: Solve for x
    x = 7,598,272,253,084,729,081,856/102,443,682,328.32
  6. Step 6: Final answer
    x = 74,170,237,543.13

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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.