Home / 255,846,419.37-353,068,056.36-138,371,746.23

Finding the Fourth Proportional to 255,846,419.37, 353,068,056.36 and 138,371,746.23

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Solution

The fourth proportional to 255,846,419.37, 353,068,056.36 and 138,371,746.23 is: 190,953,008.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,846,419.37 : 353,068,056.36 = 138,371,746.23 : x
  2. Step 2: Convert to fraction form
    255,846,419.37/353,068,056.36 = 138,371,746.23/x
  3. Step 3: Cross multiply
    255,846,419.37x = 353,068,056.36 × 138,371,746.23
  4. Step 4: Simplify right side
    255,846,419.37x = 48,854,643,496,565,256
  5. Step 5: Solve for x
    x = 48,854,643,496,565,256/255,846,419.37
  6. Step 6: Final answer
    x = 190,953,008.52

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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.