Home / 76,032,007.80-114,048,011.70-71,553,031.80

Finding the Fourth Proportional to 76,032,007.80, 114,048,011.70 and 71,553,031.80

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Solution

The fourth proportional to 76,032,007.80, 114,048,011.70 and 71,553,031.80 is: 107,329,547.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,032,007.80 : 114,048,011.70 = 71,553,031.80 : x
  2. Step 2: Convert to fraction form
    76,032,007.80/114,048,011.70 = 71,553,031.80/x
  3. Step 3: Cross multiply
    76,032,007.80x = 114,048,011.70 × 71,553,031.80
  4. Step 4: Simplify right side
    76,032,007.80x = 8,160,481,007,896,872
  5. Step 5: Solve for x
    x = 8,160,481,007,896,872/76,032,007.80
  6. Step 6: Final answer
    x = 107,329,547.70

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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.