Home / 130,857,929,744.63-195,884,308,296.49-85,380,714,482.33

Finding the Fourth Proportional to 130,857,929,744.63, 195,884,308,296.49 and 85,380,714,482.33

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Solution

The fourth proportional to 130,857,929,744.63, 195,884,308,296.49 and 85,380,714,482.33 is: 127,808,396,715.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,857,929,744.63 : 195,884,308,296.49 = 85,380,714,482.33 : x
  2. Step 2: Convert to fraction form
    130,857,929,744.63/195,884,308,296.49 = 85,380,714,482.33/x
  3. Step 3: Cross multiply
    130,857,929,744.63x = 195,884,308,296.49 × 85,380,714,482.33
  4. Step 4: Simplify right side
    130,857,929,744.63x = 16,724,742,198,231,316,824,064
  5. Step 5: Solve for x
    x = 16,724,742,198,231,316,824,064/130,857,929,744.63
  6. Step 6: Final answer
    x = 127,808,396,715.96

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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.