Home / 157,872,007.20-236,700,244.80-84,106,816.32

Finding the Fourth Proportional to 157,872,007.20, 236,700,244.80 and 84,106,816.32

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Solution

The fourth proportional to 157,872,007.20, 236,700,244.80 and 84,106,816.32 is: 126,102,811.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,872,007.20 : 236,700,244.80 = 84,106,816.32 : x
  2. Step 2: Convert to fraction form
    157,872,007.20/236,700,244.80 = 84,106,816.32/x
  3. Step 3: Cross multiply
    157,872,007.20x = 236,700,244.80 × 84,106,816.32
  4. Step 4: Simplify right side
    157,872,007.20x = 19,908,104,012,292,636
  5. Step 5: Solve for x
    x = 19,908,104,012,292,636/157,872,007.20
  6. Step 6: Final answer
    x = 126,102,811.80

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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.