Home / 155,384,672.40-233,077,008.60-53,139,603.60

Finding the Fourth Proportional to 155,384,672.40, 233,077,008.60 and 53,139,603.60

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Solution

The fourth proportional to 155,384,672.40, 233,077,008.60 and 53,139,603.60 is: 79,709,405.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,384,672.40 : 233,077,008.60 = 53,139,603.60 : x
  2. Step 2: Convert to fraction form
    155,384,672.40/233,077,008.60 = 53,139,603.60/x
  3. Step 3: Cross multiply
    155,384,672.40x = 233,077,008.60 × 53,139,603.60
  4. Step 4: Simplify right side
    155,384,672.40x = 12,385,619,845,277,790
  5. Step 5: Solve for x
    x = 12,385,619,845,277,790/155,384,672.40
  6. Step 6: Final answer
    x = 79,709,405.40

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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.