Home / 206,625,063.90-285,142,879.98-112,539,580.32

Finding the Fourth Proportional to 206,625,063.90, 285,142,879.98 and 112,539,580.32

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Solution

The fourth proportional to 206,625,063.90, 285,142,879.98 and 112,539,580.32 is: 155,304,779.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,625,063.90 : 285,142,879.98 = 112,539,580.32 : x
  2. Step 2: Convert to fraction form
    206,625,063.90/285,142,879.98 = 112,539,580.32/x
  3. Step 3: Cross multiply
    206,625,063.90x = 285,142,879.98 × 112,539,580.32
  4. Step 4: Simplify right side
    206,625,063.90x = 32,089,860,044,185,332
  5. Step 5: Solve for x
    x = 32,089,860,044,185,332/206,625,063.90
  6. Step 6: Final answer
    x = 155,304,779.77

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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.