Home / 115,219,057.77-159,014,621.79-70,594,644.50

Finding the Fourth Proportional to 115,219,057.77, 159,014,621.79 and 70,594,644.50

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Solution

The fourth proportional to 115,219,057.77, 159,014,621.79 and 70,594,644.50 is: 97,428,159.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,219,057.77 : 159,014,621.79 = 70,594,644.50 : x
  2. Step 2: Convert to fraction form
    115,219,057.77/159,014,621.79 = 70,594,644.50/x
  3. Step 3: Cross multiply
    115,219,057.77x = 159,014,621.79 × 70,594,644.50
  4. Step 4: Simplify right side
    115,219,057.77x = 11,225,580,694,771,930
  5. Step 5: Solve for x
    x = 11,225,580,694,771,930/115,219,057.77
  6. Step 6: Final answer
    x = 97,428,159.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.