Home / 197,732,147.31-296,390,598.89-66,528,875.66

Finding the Fourth Proportional to 197,732,147.31, 296,390,598.89 and 66,528,875.66

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Solution

The fourth proportional to 197,732,147.31, 296,390,598.89 and 66,528,875.66 is: 99,723,457.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,732,147.31 : 296,390,598.89 = 66,528,875.66 : x
  2. Step 2: Convert to fraction form
    197,732,147.31/296,390,598.89 = 66,528,875.66/x
  3. Step 3: Cross multiply
    197,732,147.31x = 296,390,598.89 × 66,528,875.66
  4. Step 4: Simplify right side
    197,732,147.31x = 19,718,533,298,531,148
  5. Step 5: Solve for x
    x = 19,718,533,298,531,148/197,732,147.31
  6. Step 6: Final answer
    x = 99,723,457.04

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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.