Home / 113,918,965.61-157,208,927.37-61,708,001.27

Finding the Fourth Proportional to 113,918,965.61, 157,208,927.37 and 61,708,001.27

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Solution

The fourth proportional to 113,918,965.61, 157,208,927.37 and 61,708,001.27 is: 85,157,450.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,918,965.61 : 157,208,927.37 = 61,708,001.27 : x
  2. Step 2: Convert to fraction form
    113,918,965.61/157,208,927.37 = 61,708,001.27/x
  3. Step 3: Cross multiply
    113,918,965.61x = 157,208,927.37 × 61,708,001.27
  4. Step 4: Simplify right side
    113,918,965.61x = 9,701,048,689,803,298
  5. Step 5: Solve for x
    x = 9,701,048,689,803,298/113,918,965.61
  6. Step 6: Final answer
    x = 85,157,450.63

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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.