Home / 305,035,290.50-420,994,714.92-186,026,925.62

Finding the Fourth Proportional to 305,035,290.50, 420,994,714.92 and 186,026,925.62

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Solution

The fourth proportional to 305,035,290.50, 420,994,714.92 and 186,026,925.62 is: 256,745,219.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,035,290.50 : 420,994,714.92 = 186,026,925.62 : x
  2. Step 2: Convert to fraction form
    305,035,290.50/420,994,714.92 = 186,026,925.62/x
  3. Step 3: Cross multiply
    305,035,290.50x = 420,994,714.92 × 186,026,925.62
  4. Step 4: Simplify right side
    305,035,290.50x = 78,316,352,518,835,952
  5. Step 5: Solve for x
    x = 78,316,352,518,835,952/305,035,290.50
  6. Step 6: Final answer
    x = 256,745,219.19

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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.