Home / 439,561,386.40-659,342,079.60-112,036,266.40

Finding the Fourth Proportional to 439,561,386.40, 659,342,079.60 and 112,036,266.40

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Solution

The fourth proportional to 439,561,386.40, 659,342,079.60 and 112,036,266.40 is: 168,054,399.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,561,386.40 : 659,342,079.60 = 112,036,266.40 : x
  2. Step 2: Convert to fraction form
    439,561,386.40/659,342,079.60 = 112,036,266.40/x
  3. Step 3: Cross multiply
    439,561,386.40x = 659,342,079.60 × 112,036,266.40
  4. Step 4: Simplify right side
    439,561,386.40x = 73,870,224,878,795,616
  5. Step 5: Solve for x
    x = 73,870,224,878,795,616/439,561,386.40
  6. Step 6: Final answer
    x = 168,054,399.60

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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.