Home / 347,579,142-521,435,851.56-132,151,639.92

Finding the Fourth Proportional to 347,579,142, 521,435,851.56 and 132,151,639.92

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Solution

The fourth proportional to 347,579,142, 521,435,851.56 and 132,151,639.92 is: 198,252,986.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,579,142 : 521,435,851.56 = 132,151,639.92 : x
  2. Step 2: Convert to fraction form
    347,579,142/521,435,851.56 = 132,151,639.92/x
  3. Step 3: Cross multiply
    347,579,142x = 521,435,851.56 × 132,151,639.92
  4. Step 4: Simplify right side
    347,579,142x = 68,908,602,896,735,688
  5. Step 5: Solve for x
    x = 68,908,602,896,735,688/347,579,142
  6. Step 6: Final answer
    x = 198,252,986.36

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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.