Home / 105,035,072.20-157,714,809.90-57,259,328.20

Finding the Fourth Proportional to 105,035,072.20, 157,714,809.90 and 57,259,328.20

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Solution

The fourth proportional to 105,035,072.20, 157,714,809.90 and 57,259,328.20 is: 85,977,415.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,035,072.20 : 157,714,809.90 = 57,259,328.20 : x
  2. Step 2: Convert to fraction form
    105,035,072.20/157,714,809.90 = 57,259,328.20/x
  3. Step 3: Cross multiply
    105,035,072.20x = 157,714,809.90 × 57,259,328.20
  4. Step 4: Simplify right side
    105,035,072.20x = 9,030,644,062,064,710
  5. Step 5: Solve for x
    x = 9,030,644,062,064,710/105,035,072.20
  6. Step 6: Final answer
    x = 85,977,415.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.