Home / 168,518,271.37-232,562,396.55-94,178,829.72

Finding the Fourth Proportional to 168,518,271.37, 232,562,396.55 and 94,178,829.72

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Solution

The fourth proportional to 168,518,271.37, 232,562,396.55 and 94,178,829.72 is: 129,970,798.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,518,271.37 : 232,562,396.55 = 94,178,829.72 : x
  2. Step 2: Convert to fraction form
    168,518,271.37/232,562,396.55 = 94,178,829.72/x
  3. Step 3: Cross multiply
    168,518,271.37x = 232,562,396.55 × 94,178,829.72
  4. Step 4: Simplify right side
    168,518,271.37x = 21,902,454,343,344,688
  5. Step 5: Solve for x
    x = 21,902,454,343,344,688/168,518,271.37
  6. Step 6: Final answer
    x = 129,970,798.81

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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.