Home / 197,732,156.69-296,390,612.94-66,528,885.03

Finding the Fourth Proportional to 197,732,156.69, 296,390,612.94 and 66,528,885.03

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Solution

The fourth proportional to 197,732,156.69, 296,390,612.94 and 66,528,885.03 is: 99,723,471.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,732,156.69 : 296,390,612.94 = 66,528,885.03 : x
  2. Step 2: Convert to fraction form
    197,732,156.69/296,390,612.94 = 66,528,885.03/x
  3. Step 3: Cross multiply
    197,732,156.69x = 296,390,612.94 × 66,528,885.03
  4. Step 4: Simplify right side
    197,732,156.69x = 19,718,537,012,256,492
  5. Step 5: Solve for x
    x = 19,718,537,012,256,492/197,732,156.69
  6. Step 6: Final answer
    x = 99,723,471.10

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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.