Home / 86,736,245.40-130,104,368.10-82,909,870.20

Finding the Fourth Proportional to 86,736,245.40, 130,104,368.10 and 82,909,870.20

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Solution

The fourth proportional to 86,736,245.40, 130,104,368.10 and 82,909,870.20 is: 124,364,805.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,736,245.40 : 130,104,368.10 = 82,909,870.20 : x
  2. Step 2: Convert to fraction form
    86,736,245.40/130,104,368.10 = 82,909,870.20/x
  3. Step 3: Cross multiply
    86,736,245.40x = 130,104,368.10 × 82,909,870.20
  4. Step 4: Simplify right side
    86,736,245.40x = 10,786,936,271,624,020
  5. Step 5: Solve for x
    x = 10,786,936,271,624,020/86,736,245.40
  6. Step 6: Final answer
    x = 124,364,805.30

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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.