Home / 152,510,042.45-210,449,152.32-85,531,719.71

Finding the Fourth Proportional to 152,510,042.45, 210,449,152.32 and 85,531,719.71

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Solution

The fourth proportional to 152,510,042.45, 210,449,152.32 and 85,531,719.71 is: 118,025,525.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,510,042.45 : 210,449,152.32 = 85,531,719.71 : x
  2. Step 2: Convert to fraction form
    152,510,042.45/210,449,152.32 = 85,531,719.71/x
  3. Step 3: Cross multiply
    152,510,042.45x = 210,449,152.32 × 85,531,719.71
  4. Step 4: Simplify right side
    152,510,042.45x = 18,000,077,908,389,090
  5. Step 5: Solve for x
    x = 18,000,077,908,389,090/152,510,042.45
  6. Step 6: Final answer
    x = 118,025,525.53

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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.