Home / 145,153,940.40-217,830,443.40-64,432,839.60

Finding the Fourth Proportional to 145,153,940.40, 217,830,443.40 and 64,432,839.60

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Solution

The fourth proportional to 145,153,940.40, 217,830,443.40 and 64,432,839.60 is: 96,693,441.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,153,940.40 : 217,830,443.40 = 64,432,839.60 : x
  2. Step 2: Convert to fraction form
    145,153,940.40/217,830,443.40 = 64,432,839.60/x
  3. Step 3: Cross multiply
    145,153,940.40x = 217,830,443.40 × 64,432,839.60
  4. Step 4: Simplify right side
    145,153,940.40x = 14,035,434,019,589,080
  5. Step 5: Solve for x
    x = 14,035,434,019,589,080/145,153,940.40
  6. Step 6: Final answer
    x = 96,693,441.33

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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.