Home / 161,938,695.30-242,964,030.15-156,339,975.30

Finding the Fourth Proportional to 161,938,695.30, 242,964,030.15 and 156,339,975.30

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Solution

The fourth proportional to 161,938,695.30, 242,964,030.15 and 156,339,975.30 is: 234,564,014.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,938,695.30 : 242,964,030.15 = 156,339,975.30 : x
  2. Step 2: Convert to fraction form
    161,938,695.30/242,964,030.15 = 156,339,975.30/x
  3. Step 3: Cross multiply
    161,938,695.30x = 242,964,030.15 × 156,339,975.30
  4. Step 4: Simplify right side
    161,938,695.30x = 37,984,990,472,439,456
  5. Step 5: Solve for x
    x = 37,984,990,472,439,456/161,938,695.30
  6. Step 6: Final answer
    x = 234,564,014.50

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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.