Home / 64,152,665.80-96,251,030.70-18,721,126.60

Finding the Fourth Proportional to 64,152,665.80, 96,251,030.70 and 18,721,126.60

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Solution

The fourth proportional to 64,152,665.80, 96,251,030.70 and 18,721,126.60 is: 28,088,119.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,152,665.80 : 96,251,030.70 = 18,721,126.60 : x
  2. Step 2: Convert to fraction form
    64,152,665.80/96,251,030.70 = 18,721,126.60/x
  3. Step 3: Cross multiply
    64,152,665.80x = 96,251,030.70 × 18,721,126.60
  4. Step 4: Simplify right side
    64,152,665.80x = 1,801,927,731,115,186.75
  5. Step 5: Solve for x
    x = 1,801,927,731,115,186.75/64,152,665.80
  6. Step 6: Final answer
    x = 28,088,119.31

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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.