Home / 130,859,877.76-180,584,284.96-71,321,707.84

Finding the Fourth Proportional to 130,859,877.76, 180,584,284.96 and 71,321,707.84

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Solution

The fourth proportional to 130,859,877.76, 180,584,284.96 and 71,321,707.84 is: 98,422,678.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,859,877.76 : 180,584,284.96 = 71,321,707.84 : x
  2. Step 2: Convert to fraction form
    130,859,877.76/180,584,284.96 = 71,321,707.84/x
  3. Step 3: Cross multiply
    130,859,877.76x = 180,584,284.96 × 71,321,707.84
  4. Step 4: Simplify right side
    130,859,877.76x = 12,879,579,612,412,428
  5. Step 5: Solve for x
    x = 12,879,579,612,412,428/130,859,877.76
  6. Step 6: Final answer
    x = 98,422,678.00

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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.