Home / 65,240,051.20-97,860,076.80-43,740,966.40

Finding the Fourth Proportional to 65,240,051.20, 97,860,076.80 and 43,740,966.40

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Solution

The fourth proportional to 65,240,051.20, 97,860,076.80 and 43,740,966.40 is: 65,611,449.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,240,051.20 : 97,860,076.80 = 43,740,966.40 : x
  2. Step 2: Convert to fraction form
    65,240,051.20/97,860,076.80 = 43,740,966.40/x
  3. Step 3: Cross multiply
    65,240,051.20x = 97,860,076.80 × 43,740,966.40
  4. Step 4: Simplify right side
    65,240,051.20x = 4,280,494,331,210,219
  5. Step 5: Solve for x
    x = 4,280,494,331,210,219/65,240,051.20
  6. Step 6: Final answer
    x = 65,611,449.60

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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.