Home / 161,938,653.80-242,963,967.90-156,339,933.80

Finding the Fourth Proportional to 161,938,653.80, 242,963,967.90 and 156,339,933.80

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Solution

The fourth proportional to 161,938,653.80, 242,963,967.90 and 156,339,933.80 is: 234,563,952.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,938,653.80 : 242,963,967.90 = 156,339,933.80 : x
  2. Step 2: Convert to fraction form
    161,938,653.80/242,963,967.90 = 156,339,933.80/x
  3. Step 3: Cross multiply
    161,938,653.80x = 242,963,967.90 × 156,339,933.80
  4. Step 4: Simplify right side
    161,938,653.80x = 37,984,970,657,271,328
  5. Step 5: Solve for x
    x = 37,984,970,657,271,328/161,938,653.80
  6. Step 6: Final answer
    x = 234,563,952.25

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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.