Home / 86,889,934,547.20-130,334,901,820.80-31,055,467,628.80

Finding the Fourth Proportional to 86,889,934,547.20, 130,334,901,820.80 and 31,055,467,628.80

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Solution

The fourth proportional to 86,889,934,547.20, 130,334,901,820.80 and 31,055,467,628.80 is: 46,583,201,443.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,889,934,547.20 : 130,334,901,820.80 = 31,055,467,628.80 : x
  2. Step 2: Convert to fraction form
    86,889,934,547.20/130,334,901,820.80 = 31,055,467,628.80/x
  3. Step 3: Cross multiply
    86,889,934,547.20x = 130,334,901,820.80 × 31,055,467,628.80
  4. Step 4: Simplify right side
    86,889,934,547.20x = 4,047,611,324,398,680,670,208
  5. Step 5: Solve for x
    x = 4,047,611,324,398,680,670,208/86,889,934,547.20
  6. Step 6: Final answer
    x = 46,583,201,443.20

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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.