Home / 87,803,788,051.32-121,170,329,521.74-47,706,437,055.48

Finding the Fourth Proportional to 87,803,788,051.32, 121,170,329,521.74 and 47,706,437,055.48

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Solution

The fourth proportional to 87,803,788,051.32, 121,170,329,521.74 and 47,706,437,055.48 is: 65,835,481,892.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,803,788,051.32 : 121,170,329,521.74 = 47,706,437,055.48 : x
  2. Step 2: Convert to fraction form
    87,803,788,051.32/121,170,329,521.74 = 47,706,437,055.48/x
  3. Step 3: Cross multiply
    87,803,788,051.32x = 121,170,329,521.74 × 47,706,437,055.48
  4. Step 4: Simplify right side
    87,803,788,051.32x = 5,780,604,698,320,659,546,112
  5. Step 5: Solve for x
    x = 5,780,604,698,320,659,546,112/87,803,788,051.32
  6. Step 6: Final answer
    x = 65,835,481,892.22

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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.