Home / 249,342,704.80-344,076,535.68-143,479,033.52

Finding the Fourth Proportional to 249,342,704.80, 344,076,535.68 and 143,479,033.52

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Solution

The fourth proportional to 249,342,704.80, 344,076,535.68 and 143,479,033.52 is: 197,991,630.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,342,704.80 : 344,076,535.68 = 143,479,033.52 : x
  2. Step 2: Convert to fraction form
    249,342,704.80/344,076,535.68 = 143,479,033.52/x
  3. Step 3: Cross multiply
    249,342,704.80x = 344,076,535.68 × 143,479,033.52
  4. Step 4: Simplify right side
    249,342,704.80x = 49,367,768,796,276,200
  5. Step 5: Solve for x
    x = 49,367,768,796,276,200/249,342,704.80
  6. Step 6: Final answer
    x = 197,991,630.98

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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.