Home / 146,851,836-202,655,937.48-80,779,103.26

Finding the Fourth Proportional to 146,851,836, 202,655,937.48 and 80,779,103.26

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Solution

The fourth proportional to 146,851,836, 202,655,937.48 and 80,779,103.26 is: 111,475,384.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,851,836 : 202,655,937.48 = 80,779,103.26 : x
  2. Step 2: Convert to fraction form
    146,851,836/202,655,937.48 = 80,779,103.26/x
  3. Step 3: Cross multiply
    146,851,836x = 202,655,937.48 × 80,779,103.26
  4. Step 4: Simplify right side
    146,851,836x = 16,370,364,899,949,024
  5. Step 5: Solve for x
    x = 16,370,364,899,949,024/146,851,836
  6. Step 6: Final answer
    x = 111,475,384.62

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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.