Home / 136,436,733.79-188,301,895.37-86,861,271.04

Finding the Fourth Proportional to 136,436,733.79, 188,301,895.37 and 86,861,271.04

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Solution

The fourth proportional to 136,436,733.79, 188,301,895.37 and 86,861,271.04 is: 119,880,779.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,436,733.79 : 188,301,895.37 = 86,861,271.04 : x
  2. Step 2: Convert to fraction form
    136,436,733.79/188,301,895.37 = 86,861,271.04/x
  3. Step 3: Cross multiply
    136,436,733.79x = 188,301,895.37 × 86,861,271.04
  4. Step 4: Simplify right side
    136,436,733.79x = 16,356,141,971,079,292
  5. Step 5: Solve for x
    x = 16,356,141,971,079,292/136,436,733.79
  6. Step 6: Final answer
    x = 119,880,779.29

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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.