Home / 291,356,962.32-437,346,557.91-125,442,632.16

Finding the Fourth Proportional to 291,356,962.32, 437,346,557.91 and 125,442,632.16

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Solution

The fourth proportional to 291,356,962.32, 437,346,557.91 and 125,442,632.16 is: 188,297,897.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,356,962.32 : 437,346,557.91 = 125,442,632.16 : x
  2. Step 2: Convert to fraction form
    291,356,962.32/437,346,557.91 = 125,442,632.16/x
  3. Step 3: Cross multiply
    291,356,962.32x = 437,346,557.91 × 125,442,632.16
  4. Step 4: Simplify right side
    291,356,962.32x = 54,861,903,390,346,272
  5. Step 5: Solve for x
    x = 54,861,903,390,346,272/291,356,962.32
  6. Step 6: Final answer
    x = 188,297,897.37

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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.