Home / 72,652,883.42-109,030,392.66-65,706,555.08

Finding the Fourth Proportional to 72,652,883.42, 109,030,392.66 and 65,706,555.08

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Solution

The fourth proportional to 72,652,883.42, 109,030,392.66 and 65,706,555.08 is: 98,606,017.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,652,883.42 : 109,030,392.66 = 65,706,555.08 : x
  2. Step 2: Convert to fraction form
    72,652,883.42/109,030,392.66 = 65,706,555.08/x
  3. Step 3: Cross multiply
    72,652,883.42x = 109,030,392.66 × 65,706,555.08
  4. Step 4: Simplify right side
    72,652,883.42x = 7,164,011,500,708,317
  5. Step 5: Solve for x
    x = 7,164,011,500,708,317/72,652,883.42
  6. Step 6: Final answer
    x = 98,606,017.59

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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.