Home / 140,113,886.42-210,089,518.26-66,337,047.05

Finding the Fourth Proportional to 140,113,886.42, 210,089,518.26 and 66,337,047.05

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Solution

The fourth proportional to 140,113,886.42, 210,089,518.26 and 66,337,047.05 is: 99,467,073.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,113,886.42 : 210,089,518.26 = 66,337,047.05 : x
  2. Step 2: Convert to fraction form
    140,113,886.42/210,089,518.26 = 66,337,047.05/x
  3. Step 3: Cross multiply
    140,113,886.42x = 210,089,518.26 × 66,337,047.05
  4. Step 4: Simplify right side
    140,113,886.42x = 13,936,718,256,475,006
  5. Step 5: Solve for x
    x = 13,936,718,256,475,006/140,113,886.42
  6. Step 6: Final answer
    x = 99,467,073.63

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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.