Home / 210,364,000.63-315,531,035.69-64,782,381.69

Finding the Fourth Proportional to 210,364,000.63, 315,531,035.69 and 64,782,381.69

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Solution

The fourth proportional to 210,364,000.63, 315,531,035.69 and 64,782,381.69 is: 97,168,963.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,364,000.63 : 315,531,035.69 = 64,782,381.69 : x
  2. Step 2: Convert to fraction form
    210,364,000.63/315,531,035.69 = 64,782,381.69/x
  3. Step 3: Cross multiply
    210,364,000.63x = 315,531,035.69 × 64,782,381.69
  4. Step 4: Simplify right side
    210,364,000.63x = 20,440,851,988,786,680
  5. Step 5: Solve for x
    x = 20,440,851,988,786,680/210,364,000.63
  6. Step 6: Final answer
    x = 97,168,963.93

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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.