Home / 159,035,706,018.02-238,551,986,962.44-72,861,513,141.64

Finding the Fourth Proportional to 159,035,706,018.02, 238,551,986,962.44 and 72,861,513,141.64

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Solution

The fourth proportional to 159,035,706,018.02, 238,551,986,962.44 and 72,861,513,141.64 is: 109,291,549,477.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,035,706,018.02 : 238,551,986,962.44 = 72,861,513,141.64 : x
  2. Step 2: Convert to fraction form
    159,035,706,018.02/238,551,986,962.44 = 72,861,513,141.64/x
  3. Step 3: Cross multiply
    159,035,706,018.02x = 238,551,986,962.44 × 72,861,513,141.64
  4. Step 4: Simplify right side
    159,035,706,018.02x = 17,381,258,733,028,156,375,040
  5. Step 5: Solve for x
    x = 17,381,258,733,028,156,375,040/159,035,706,018.02
  6. Step 6: Final answer
    x = 109,291,549,477.94

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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.