Home / 144,133,075.20-216,199,612.80-142,789,382.40

Finding the Fourth Proportional to 144,133,075.20, 216,199,612.80 and 142,789,382.40

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Solution

The fourth proportional to 144,133,075.20, 216,199,612.80 and 142,789,382.40 is: 214,184,073.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,133,075.20 : 216,199,612.80 = 142,789,382.40 : x
  2. Step 2: Convert to fraction form
    144,133,075.20/216,199,612.80 = 142,789,382.40/x
  3. Step 3: Cross multiply
    144,133,075.20x = 216,199,612.80 × 142,789,382.40
  4. Step 4: Simplify right side
    144,133,075.20x = 30,871,009,186,831,136
  5. Step 5: Solve for x
    x = 30,871,009,186,831,136/144,133,075.20
  6. Step 6: Final answer
    x = 214,184,073.60

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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.