Home / 113,789,740.02-157,030,319.79-61,578,778.14

Finding the Fourth Proportional to 113,789,740.02, 157,030,319.79 and 61,578,778.14

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Solution

The fourth proportional to 113,789,740.02, 157,030,319.79 and 61,578,778.14 is: 84,978,972.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,789,740.02 : 157,030,319.79 = 61,578,778.14 : x
  2. Step 2: Convert to fraction form
    113,789,740.02/157,030,319.79 = 61,578,778.14/x
  3. Step 3: Cross multiply
    113,789,740.02x = 157,030,319.79 × 61,578,778.14
  4. Step 4: Simplify right side
    113,789,740.02x = 9,669,735,223,601,660
  5. Step 5: Solve for x
    x = 9,669,735,223,601,660/113,789,740.02
  6. Step 6: Final answer
    x = 84,978,972.81

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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.