Home / 161,287,748.30-241,931,622.45-115,938,116.30

Finding the Fourth Proportional to 161,287,748.30, 241,931,622.45 and 115,938,116.30

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Solution

The fourth proportional to 161,287,748.30, 241,931,622.45 and 115,938,116.30 is: 173,907,174.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,287,748.30 : 241,931,622.45 = 115,938,116.30 : x
  2. Step 2: Convert to fraction form
    161,287,748.30/241,931,622.45 = 115,938,116.30/x
  3. Step 3: Cross multiply
    161,287,748.30x = 241,931,622.45 × 115,938,116.30
  4. Step 4: Simplify right side
    161,287,748.30x = 28,049,096,580,255,788
  5. Step 5: Solve for x
    x = 28,049,096,580,255,788/161,287,748.30
  6. Step 6: Final answer
    x = 173,907,174.45

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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.