Home / 105,683,342.40-158,525,013.60-48,287,714.40

Finding the Fourth Proportional to 105,683,342.40, 158,525,013.60 and 48,287,714.40

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Solution

The fourth proportional to 105,683,342.40, 158,525,013.60 and 48,287,714.40 is: 72,431,571.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,683,342.40 : 158,525,013.60 = 48,287,714.40 : x
  2. Step 2: Convert to fraction form
    105,683,342.40/158,525,013.60 = 48,287,714.40/x
  3. Step 3: Cross multiply
    105,683,342.40x = 158,525,013.60 × 48,287,714.40
  4. Step 4: Simplify right side
    105,683,342.40x = 7,654,810,581,972,915
  5. Step 5: Solve for x
    x = 7,654,810,581,972,915/105,683,342.40
  6. Step 6: Final answer
    x = 72,431,571.60

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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.