Home / 113,979,875.66-157,292,362.94-61,768,911.33

Finding the Fourth Proportional to 113,979,875.66, 157,292,362.94 and 61,768,911.33

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Solution

The fourth proportional to 113,979,875.66, 157,292,362.94 and 61,768,911.33 is: 85,241,170.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,979,875.66 : 157,292,362.94 = 61,768,911.33 : x
  2. Step 2: Convert to fraction form
    113,979,875.66/157,292,362.94 = 61,768,911.33/x
  3. Step 3: Cross multiply
    113,979,875.66x = 157,292,362.94 × 61,768,911.33
  4. Step 4: Simplify right side
    113,979,875.66x = 9,715,778,018,428,348
  5. Step 5: Solve for x
    x = 9,715,778,018,428,348/113,979,875.66
  6. Step 6: Final answer
    x = 85,241,170.53

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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.