Home / 159,426,600.60-238,989,435.30-86,535,931.80

Finding the Fourth Proportional to 159,426,600.60, 238,989,435.30 and 86,535,931.80

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Solution

The fourth proportional to 159,426,600.60, 238,989,435.30 and 86,535,931.80 is: 129,722,225.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,426,600.60 : 238,989,435.30 = 86,535,931.80 : x
  2. Step 2: Convert to fraction form
    159,426,600.60/238,989,435.30 = 86,535,931.80/x
  3. Step 3: Cross multiply
    159,426,600.60x = 238,989,435.30 × 86,535,931.80
  4. Step 4: Simplify right side
    159,426,600.60x = 20,681,173,474,041,312
  5. Step 5: Solve for x
    x = 20,681,173,474,041,312/159,426,600.60
  6. Step 6: Final answer
    x = 129,722,225.75

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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.