Home / 141,338,779.90-195,046,342.95-79,459,393.66

Finding the Fourth Proportional to 141,338,779.90, 195,046,342.95 and 79,459,393.66

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Solution

The fourth proportional to 141,338,779.90, 195,046,342.95 and 79,459,393.66 is: 109,653,303.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,338,779.90 : 195,046,342.95 = 79,459,393.66 : x
  2. Step 2: Convert to fraction form
    141,338,779.90/195,046,342.95 = 79,459,393.66/x
  3. Step 3: Cross multiply
    141,338,779.90x = 195,046,342.95 × 79,459,393.66
  4. Step 4: Simplify right side
    141,338,779.90x = 15,498,264,146,407,414
  5. Step 5: Solve for x
    x = 15,498,264,146,407,414/141,338,779.90
  6. Step 6: Final answer
    x = 109,653,303.63

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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.