Home / 118,675,287.30-178,033,029.51-40,931,082.34

Finding the Fourth Proportional to 118,675,287.30, 178,033,029.51 and 40,931,082.34

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Solution

The fourth proportional to 118,675,287.30, 178,033,029.51 and 40,931,082.34 is: 61,403,555.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,675,287.30 : 178,033,029.51 = 40,931,082.34 : x
  2. Step 2: Convert to fraction form
    118,675,287.30/178,033,029.51 = 40,931,082.34/x
  3. Step 3: Cross multiply
    118,675,287.30x = 178,033,029.51 × 40,931,082.34
  4. Step 4: Simplify right side
    118,675,287.30x = 7,287,084,590,113,460
  5. Step 5: Solve for x
    x = 7,287,084,590,113,460/118,675,287.30
  6. Step 6: Final answer
    x = 61,403,555.50

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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.