Home / 102,538,254,986.30-153,684,938,473.05-42,846,801,866.30

Finding the Fourth Proportional to 102,538,254,986.30, 153,684,938,473.05 and 42,846,801,866.30

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Solution

The fourth proportional to 102,538,254,986.30, 153,684,938,473.05 and 42,846,801,866.30 is: 64,219,038,147.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,538,254,986.30 : 153,684,938,473.05 = 42,846,801,866.30 : x
  2. Step 2: Convert to fraction form
    102,538,254,986.30/153,684,938,473.05 = 42,846,801,866.30/x
  3. Step 3: Cross multiply
    102,538,254,986.30x = 153,684,938,473.05 × 42,846,801,866.30
  4. Step 4: Simplify right side
    102,538,254,986.30x = 6,584,908,108,589,279,739,904
  5. Step 5: Solve for x
    x = 6,584,908,108,589,279,739,904/102,538,254,986.30
  6. Step 6: Final answer
    x = 64,219,038,147.95

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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.