Home / 145,553,191,290.71-200,873,798,029.16-80,446,217,977.52

Finding the Fourth Proportional to 145,553,191,290.71, 200,873,798,029.16 and 80,446,217,977.52

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Solution

The fourth proportional to 145,553,191,290.71, 200,873,798,029.16 and 80,446,217,977.52 is: 111,021,525,525.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,553,191,290.71 : 200,873,798,029.16 = 80,446,217,977.52 : x
  2. Step 2: Convert to fraction form
    145,553,191,290.71/200,873,798,029.16 = 80,446,217,977.52/x
  3. Step 3: Cross multiply
    145,553,191,290.71x = 200,873,798,029.16 × 80,446,217,977.52
  4. Step 4: Simplify right side
    145,553,191,290.71x = 16,159,537,342,226,133,680,128
  5. Step 5: Solve for x
    x = 16,159,537,342,226,133,680,128/145,553,191,290.71
  6. Step 6: Final answer
    x = 111,021,525,525.68

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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.