Home / 72,974,686,573.09-109,422,125,970.63-57,944,803,352.05

Finding the Fourth Proportional to 72,974,686,573.09, 109,422,125,970.63 and 57,944,803,352.05

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Solution

The fourth proportional to 72,974,686,573.09, 109,422,125,970.63 and 57,944,803,352.05 is: 86,885,519,753.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,974,686,573.09 : 109,422,125,970.63 = 57,944,803,352.05 : x
  2. Step 2: Convert to fraction form
    72,974,686,573.09/109,422,125,970.63 = 57,944,803,352.05/x
  3. Step 3: Cross multiply
    72,974,686,573.09x = 109,422,125,970.63 × 57,944,803,352.05
  4. Step 4: Simplify right side
    72,974,686,573.09x = 6,340,443,571,731,398,918,144
  5. Step 5: Solve for x
    x = 6,340,443,571,731,398,918,144/72,974,686,573.09
  6. Step 6: Final answer
    x = 86,885,519,753.22

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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.