Home / 66,518,897.60-99,778,346.40-36,285,809.60

Finding the Fourth Proportional to 66,518,897.60, 99,778,346.40 and 36,285,809.60

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Solution

The fourth proportional to 66,518,897.60, 99,778,346.40 and 36,285,809.60 is: 54,428,714.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,518,897.60 : 99,778,346.40 = 36,285,809.60 : x
  2. Step 2: Convert to fraction form
    66,518,897.60/99,778,346.40 = 36,285,809.60/x
  3. Step 3: Cross multiply
    66,518,897.60x = 99,778,346.40 × 36,285,809.60
  4. Step 4: Simplify right side
    66,518,897.60x = 3,620,538,079,673,246
  5. Step 5: Solve for x
    x = 3,620,538,079,673,246/66,518,897.60
  6. Step 6: Final answer
    x = 54,428,714.40

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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.