Home / 130,417,303.80-179,976,256.26-71,685,986.84

Finding the Fourth Proportional to 130,417,303.80, 179,976,256.26 and 71,685,986.84

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Solution

The fourth proportional to 130,417,303.80, 179,976,256.26 and 71,685,986.84 is: 98,926,869.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,417,303.80 : 179,976,256.26 = 71,685,986.84 : x
  2. Step 2: Convert to fraction form
    130,417,303.80/179,976,256.26 = 71,685,986.84/x
  3. Step 3: Cross multiply
    130,417,303.80x = 179,976,256.26 × 71,685,986.84
  4. Step 4: Simplify right side
    130,417,303.80x = 12,901,775,537,766,828
  5. Step 5: Solve for x
    x = 12,901,775,537,766,828/130,417,303.80
  6. Step 6: Final answer
    x = 98,926,869.07

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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.