Home / 154,051,835.04-212,614,949.52-98,321,312.16

Finding the Fourth Proportional to 154,051,835.04, 212,614,949.52 and 98,321,312.16

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Solution

The fourth proportional to 154,051,835.04, 212,614,949.52 and 98,321,312.16 is: 135,698,356.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,051,835.04 : 212,614,949.52 = 98,321,312.16 : x
  2. Step 2: Convert to fraction form
    154,051,835.04/212,614,949.52 = 98,321,312.16/x
  3. Step 3: Cross multiply
    154,051,835.04x = 212,614,949.52 × 98,321,312.16
  4. Step 4: Simplify right side
    154,051,835.04x = 20,904,580,821,638,564
  5. Step 5: Solve for x
    x = 20,904,580,821,638,564/154,051,835.04
  6. Step 6: Final answer
    x = 135,698,356.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.