Home / 157,762,581.20-236,643,871.80-89,738,133.20

Finding the Fourth Proportional to 157,762,581.20, 236,643,871.80 and 89,738,133.20

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Solution

The fourth proportional to 157,762,581.20, 236,643,871.80 and 89,738,133.20 is: 134,607,199.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,762,581.20 : 236,643,871.80 = 89,738,133.20 : x
  2. Step 2: Convert to fraction form
    157,762,581.20/236,643,871.80 = 89,738,133.20/x
  3. Step 3: Cross multiply
    157,762,581.20x = 236,643,871.80 × 89,738,133.20
  4. Step 4: Simplify right side
    157,762,581.20x = 21,235,979,288,552,124
  5. Step 5: Solve for x
    x = 21,235,979,288,552,124/157,762,581.20
  6. Step 6: Final answer
    x = 134,607,199.80

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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.