Home / 129,071,883.22-178,118,212.71-70,334,366.69

Finding the Fourth Proportional to 129,071,883.22, 178,118,212.71 and 70,334,366.69

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Solution

The fourth proportional to 129,071,883.22, 178,118,212.71 and 70,334,366.69 is: 97,060,888.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,071,883.22 : 178,118,212.71 = 70,334,366.69 : x
  2. Step 2: Convert to fraction form
    129,071,883.22/178,118,212.71 = 70,334,366.69/x
  3. Step 3: Cross multiply
    129,071,883.22x = 178,118,212.71 × 70,334,366.69
  4. Step 4: Simplify right side
    129,071,883.22x = 12,527,831,687,621,608
  5. Step 5: Solve for x
    x = 12,527,831,687,621,608/129,071,883.22
  6. Step 6: Final answer
    x = 97,060,888.67

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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.