Home / 265,558,200.78-366,470,317.20-155,549,913.78

Finding the Fourth Proportional to 265,558,200.78, 366,470,317.20 and 155,549,913.78

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Solution

The fourth proportional to 265,558,200.78, 366,470,317.20 and 155,549,913.78 is: 214,658,881.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,558,200.78 : 366,470,317.20 = 155,549,913.78 : x
  2. Step 2: Convert to fraction form
    265,558,200.78/366,470,317.20 = 155,549,913.78/x
  3. Step 3: Cross multiply
    265,558,200.78x = 366,470,317.20 × 155,549,913.78
  4. Step 4: Simplify right side
    265,558,200.78x = 57,004,426,243,389,248
  5. Step 5: Solve for x
    x = 57,004,426,243,389,248/265,558,200.78
  6. Step 6: Final answer
    x = 214,658,881.09

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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.