Home / 64,161,985.20-96,242,977.80-61,894,503.60

Finding the Fourth Proportional to 64,161,985.20, 96,242,977.80 and 61,894,503.60

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Solution

The fourth proportional to 64,161,985.20, 96,242,977.80 and 61,894,503.60 is: 92,841,755.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,161,985.20 : 96,242,977.80 = 61,894,503.60 : x
  2. Step 2: Convert to fraction form
    64,161,985.20/96,242,977.80 = 61,894,503.60/x
  3. Step 3: Cross multiply
    64,161,985.20x = 96,242,977.80 × 61,894,503.60
  4. Step 4: Simplify right side
    64,161,985.20x = 5,956,911,335,916,820
  5. Step 5: Solve for x
    x = 5,956,911,335,916,820/64,161,985.20
  6. Step 6: Final answer
    x = 92,841,755.40

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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.