Home / 115,097,796.95-158,905,347.50-74,902,094.51

Finding the Fourth Proportional to 115,097,796.95, 158,905,347.50 and 74,902,094.51

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Solution

The fourth proportional to 115,097,796.95, 158,905,347.50 and 74,902,094.51 is: 103,410,696.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,097,796.95 : 158,905,347.50 = 74,902,094.51 : x
  2. Step 2: Convert to fraction form
    115,097,796.95/158,905,347.50 = 74,902,094.51/x
  3. Step 3: Cross multiply
    115,097,796.95x = 158,905,347.50 × 74,902,094.51
  4. Step 4: Simplify right side
    115,097,796.95x = 11,902,343,356,214,882
  5. Step 5: Solve for x
    x = 11,902,343,356,214,882/115,097,796.95
  6. Step 6: Final answer
    x = 103,410,696.57

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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.