Home / 201,313,368.34-301,967,018.55-90,570,831.63

Finding the Fourth Proportional to 201,313,368.34, 301,967,018.55 and 90,570,831.63

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Solution

The fourth proportional to 201,313,368.34, 301,967,018.55 and 90,570,831.63 is: 135,854,882.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,313,368.34 : 301,967,018.55 = 90,570,831.63 : x
  2. Step 2: Convert to fraction form
    201,313,368.34/301,967,018.55 = 90,570,831.63/x
  3. Step 3: Cross multiply
    201,313,368.34x = 301,967,018.55 × 90,570,831.63
  4. Step 4: Simplify right side
    201,313,368.34x = 27,349,403,993,772,760
  5. Step 5: Solve for x
    x = 27,349,403,993,772,760/201,313,368.34
  6. Step 6: Final answer
    x = 135,854,882.46

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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.