Home / 120,102,914.59-180,170,483.28-42,361,543.57

Finding the Fourth Proportional to 120,102,914.59, 180,170,483.28 and 42,361,543.57

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Solution

The fourth proportional to 120,102,914.59, 180,170,483.28 and 42,361,543.57 is: 63,547,998.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,102,914.59 : 180,170,483.28 = 42,361,543.57 : x
  2. Step 2: Convert to fraction form
    120,102,914.59/180,170,483.28 = 42,361,543.57/x
  3. Step 3: Cross multiply
    120,102,914.59x = 180,170,483.28 × 42,361,543.57
  4. Step 4: Simplify right side
    120,102,914.59x = 7,632,299,777,493,677
  5. Step 5: Solve for x
    x = 7,632,299,777,493,677/120,102,914.59
  6. Step 6: Final answer
    x = 63,547,998.01

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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.