Home / 105,072,002.40-157,608,003.60-64,761,218.40

Finding the Fourth Proportional to 105,072,002.40, 157,608,003.60 and 64,761,218.40

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Solution

The fourth proportional to 105,072,002.40, 157,608,003.60 and 64,761,218.40 is: 97,141,827.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,072,002.40 : 157,608,003.60 = 64,761,218.40 : x
  2. Step 2: Convert to fraction form
    105,072,002.40/157,608,003.60 = 64,761,218.40/x
  3. Step 3: Cross multiply
    105,072,002.40x = 157,608,003.60 × 64,761,218.40
  4. Step 4: Simplify right side
    105,072,002.40x = 10,206,886,342,727,586
  5. Step 5: Solve for x
    x = 10,206,886,342,727,586/105,072,002.40
  6. Step 6: Final answer
    x = 97,141,827.60

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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.