Home / 135,158,673.04-186,522,903.54-76,420,077.04

Finding the Fourth Proportional to 135,158,673.04, 186,522,903.54 and 76,420,077.04

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Solution

The fourth proportional to 135,158,673.04, 186,522,903.54 and 76,420,077.04 is: 105,461,931.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,158,673.04 : 186,522,903.54 = 76,420,077.04 : x
  2. Step 2: Convert to fraction form
    135,158,673.04/186,522,903.54 = 76,420,077.04/x
  3. Step 3: Cross multiply
    135,158,673.04x = 186,522,903.54 × 76,420,077.04
  4. Step 4: Simplify right side
    135,158,673.04x = 14,254,094,658,251,290
  5. Step 5: Solve for x
    x = 14,254,094,658,251,290/135,158,673.04
  6. Step 6: Final answer
    x = 105,461,931.06

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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.