Home / 141,181,985.02-194,835,870.16-78,460,726.34

Finding the Fourth Proportional to 141,181,985.02, 194,835,870.16 and 78,460,726.34

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Solution

The fourth proportional to 141,181,985.02, 194,835,870.16 and 78,460,726.34 is: 108,278,431.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,181,985.02 : 194,835,870.16 = 78,460,726.34 : x
  2. Step 2: Convert to fraction form
    141,181,985.02/194,835,870.16 = 78,460,726.34/x
  3. Step 3: Cross multiply
    141,181,985.02x = 194,835,870.16 × 78,460,726.34
  4. Step 4: Simplify right side
    141,181,985.02x = 15,286,963,890,572,202
  5. Step 5: Solve for x
    x = 15,286,963,890,572,202/141,181,985.02
  6. Step 6: Final answer
    x = 108,278,431.48

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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.