Home / 144,133,069.20-216,199,603.80-142,789,376.40

Finding the Fourth Proportional to 144,133,069.20, 216,199,603.80 and 142,789,376.40

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Solution

The fourth proportional to 144,133,069.20, 216,199,603.80 and 142,789,376.40 is: 214,184,064.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,133,069.20 : 216,199,603.80 = 142,789,376.40 : x
  2. Step 2: Convert to fraction form
    144,133,069.20/216,199,603.80 = 142,789,376.40/x
  3. Step 3: Cross multiply
    144,133,069.20x = 216,199,603.80 × 142,789,376.40
  4. Step 4: Simplify right side
    144,133,069.20x = 30,871,006,604,529,072
  5. Step 5: Solve for x
    x = 30,871,006,604,529,072/144,133,069.20
  6. Step 6: Final answer
    x = 214,184,064.60

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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.