Home / 113,885,181.72-157,160,729.28-61,673,006.16

Finding the Fourth Proportional to 113,885,181.72, 157,160,729.28 and 61,673,006.16

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Solution

The fourth proportional to 113,885,181.72, 157,160,729.28 and 61,673,006.16 is: 85,108,303.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,885,181.72 : 157,160,729.28 = 61,673,006.16 : x
  2. Step 2: Convert to fraction form
    113,885,181.72/157,160,729.28 = 61,673,006.16/x
  3. Step 3: Cross multiply
    113,885,181.72x = 157,160,729.28 × 61,673,006.16
  4. Step 4: Simplify right side
    113,885,181.72x = 9,692,574,624,995,532
  5. Step 5: Solve for x
    x = 9,692,574,624,995,532/113,885,181.72
  6. Step 6: Final answer
    x = 85,108,303.63

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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.