Home / 161,758,855.20-242,638,282.80-92,884,101.60

Finding the Fourth Proportional to 161,758,855.20, 242,638,282.80 and 92,884,101.60

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Solution

The fourth proportional to 161,758,855.20, 242,638,282.80 and 92,884,101.60 is: 139,326,152.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,758,855.20 : 242,638,282.80 = 92,884,101.60 : x
  2. Step 2: Convert to fraction form
    161,758,855.20/242,638,282.80 = 92,884,101.60/x
  3. Step 3: Cross multiply
    161,758,855.20x = 242,638,282.80 × 92,884,101.60
  4. Step 4: Simplify right side
    161,758,855.20x = 22,537,238,911,644,732
  5. Step 5: Solve for x
    x = 22,537,238,911,644,732/161,758,855.20
  6. Step 6: Final answer
    x = 139,326,152.40

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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.