Home / 149,723,978.40-224,585,967.60-127,804,989.60

Finding the Fourth Proportional to 149,723,978.40, 224,585,967.60 and 127,804,989.60

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Solution

The fourth proportional to 149,723,978.40, 224,585,967.60 and 127,804,989.60 is: 191,707,484.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,723,978.40 : 224,585,967.60 = 127,804,989.60 : x
  2. Step 2: Convert to fraction form
    149,723,978.40/224,585,967.60 = 127,804,989.60/x
  3. Step 3: Cross multiply
    149,723,978.40x = 224,585,967.60 × 127,804,989.60
  4. Step 4: Simplify right side
    149,723,978.40x = 28,703,207,253,423,936
  5. Step 5: Solve for x
    x = 28,703,207,253,423,936/149,723,978.40
  6. Step 6: Final answer
    x = 191,707,484.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.