Home / 278,286,018.40-417,429,027.60-96,551,567.20

Finding the Fourth Proportional to 278,286,018.40, 417,429,027.60 and 96,551,567.20

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Solution

The fourth proportional to 278,286,018.40, 417,429,027.60 and 96,551,567.20 is: 144,827,350.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,286,018.40 : 417,429,027.60 = 96,551,567.20 : x
  2. Step 2: Convert to fraction form
    278,286,018.40/417,429,027.60 = 96,551,567.20/x
  3. Step 3: Cross multiply
    278,286,018.40x = 417,429,027.60 × 96,551,567.20
  4. Step 4: Simplify right side
    278,286,018.40x = 40,303,426,809,552,056
  5. Step 5: Solve for x
    x = 40,303,426,809,552,056/278,286,018.40
  6. Step 6: Final answer
    x = 144,827,350.80

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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.