Home / 254,308,802.40-381,463,203.60-168,144,501.60

Finding the Fourth Proportional to 254,308,802.40, 381,463,203.60 and 168,144,501.60

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Solution

The fourth proportional to 254,308,802.40, 381,463,203.60 and 168,144,501.60 is: 252,216,752.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,308,802.40 : 381,463,203.60 = 168,144,501.60 : x
  2. Step 2: Convert to fraction form
    254,308,802.40/381,463,203.60 = 168,144,501.60/x
  3. Step 3: Cross multiply
    254,308,802.40x = 381,463,203.60 × 168,144,501.60
  4. Step 4: Simplify right side
    254,308,802.40x = 64,140,940,248,061,328
  5. Step 5: Solve for x
    x = 64,140,940,248,061,328/254,308,802.40
  6. Step 6: Final answer
    x = 252,216,752.40

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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.