Home / 201,795,271.32-278,477,471.64-108,975,776.40

Finding the Fourth Proportional to 201,795,271.32, 278,477,471.64 and 108,975,776.40

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Solution

The fourth proportional to 201,795,271.32, 278,477,471.64 and 108,975,776.40 is: 150,386,569.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,795,271.32 : 278,477,471.64 = 108,975,776.40 : x
  2. Step 2: Convert to fraction form
    201,795,271.32/278,477,471.64 = 108,975,776.40/x
  3. Step 3: Cross multiply
    201,795,271.32x = 278,477,471.64 × 108,975,776.40
  4. Step 4: Simplify right side
    201,795,271.32x = 30,347,298,681,877,980
  5. Step 5: Solve for x
    x = 30,347,298,681,877,980/201,795,271.32
  6. Step 6: Final answer
    x = 150,386,569.93

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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.