Home / 103,058,762.06-142,219,497.66-56,648,018.72

Finding the Fourth Proportional to 103,058,762.06, 142,219,497.66 and 56,648,018.72

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Solution

The fourth proportional to 103,058,762.06, 142,219,497.66 and 56,648,018.72 is: 78,173,389.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,058,762.06 : 142,219,497.66 = 56,648,018.72 : x
  2. Step 2: Convert to fraction form
    103,058,762.06/142,219,497.66 = 56,648,018.72/x
  3. Step 3: Cross multiply
    103,058,762.06x = 142,219,497.66 × 56,648,018.72
  4. Step 4: Simplify right side
    103,058,762.06x = 8,056,452,765,792,676
  5. Step 5: Solve for x
    x = 8,056,452,765,792,676/103,058,762.06
  6. Step 6: Final answer
    x = 78,173,389.67

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.