Home / 112,334,840.80-168,502,261.20-99,580,256.80

Finding the Fourth Proportional to 112,334,840.80, 168,502,261.20 and 99,580,256.80

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Solution

The fourth proportional to 112,334,840.80, 168,502,261.20 and 99,580,256.80 is: 149,370,385.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,334,840.80 : 168,502,261.20 = 99,580,256.80 : x
  2. Step 2: Convert to fraction form
    112,334,840.80/168,502,261.20 = 99,580,256.80/x
  3. Step 3: Cross multiply
    112,334,840.80x = 168,502,261.20 × 99,580,256.80
  4. Step 4: Simplify right side
    112,334,840.80x = 16,779,498,441,676,674
  5. Step 5: Solve for x
    x = 16,779,498,441,676,674/112,334,840.80
  6. Step 6: Final answer
    x = 149,370,385.20

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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.