Home / 111,282,995.60-153,588,923.37-61,739,331.23

Finding the Fourth Proportional to 111,282,995.60, 153,588,923.37 and 61,739,331.23

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Solution

The fourth proportional to 111,282,995.60, 153,588,923.37 and 61,739,331.23 is: 85,210,479.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,282,995.60 : 153,588,923.37 = 61,739,331.23 : x
  2. Step 2: Convert to fraction form
    111,282,995.60/153,588,923.37 = 61,739,331.23/x
  3. Step 3: Cross multiply
    111,282,995.60x = 153,588,923.37 × 61,739,331.23
  4. Step 4: Simplify right side
    111,282,995.60x = 9,482,477,412,431,574
  5. Step 5: Solve for x
    x = 9,482,477,412,431,574/111,282,995.60
  6. Step 6: Final answer
    x = 85,210,479.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.