Home / 145,553,191,293.72-200,873,798,033.30-80,446,217,980.52

Finding the Fourth Proportional to 145,553,191,293.72, 200,873,798,033.30 and 80,446,217,980.52

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Solution

The fourth proportional to 145,553,191,293.72, 200,873,798,033.30 and 80,446,217,980.52 is: 111,021,525,529.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,553,191,293.72 : 200,873,798,033.30 = 80,446,217,980.52 : x
  2. Step 2: Convert to fraction form
    145,553,191,293.72/200,873,798,033.30 = 80,446,217,980.52/x
  3. Step 3: Cross multiply
    145,553,191,293.72x = 200,873,798,033.30 × 80,446,217,980.52
  4. Step 4: Simplify right side
    145,553,191,293.72x = 16,159,537,343,161,801,113,600
  5. Step 5: Solve for x
    x = 16,159,537,343,161,801,113,600/145,553,191,293.72
  6. Step 6: Final answer
    x = 111,021,525,529.82

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1.5x scale

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.