Home / 127,088,735.19-190,546,074.12-64,719,320.04

Finding the Fourth Proportional to 127,088,735.19, 190,546,074.12 and 64,719,320.04

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Solution

The fourth proportional to 127,088,735.19, 190,546,074.12 and 64,719,320.04 is: 97,034,661.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,088,735.19 : 190,546,074.12 = 64,719,320.04 : x
  2. Step 2: Convert to fraction form
    127,088,735.19/190,546,074.12 = 64,719,320.04/x
  3. Step 3: Cross multiply
    127,088,735.19x = 190,546,074.12 × 64,719,320.04
  4. Step 4: Simplify right side
    127,088,735.19x = 12,332,012,353,337,842
  5. Step 5: Solve for x
    x = 12,332,012,353,337,842/127,088,735.19
  6. Step 6: Final answer
    x = 97,034,661.14

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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.