Home / 127,088,711.51-190,546,038.68-64,719,296.39

Finding the Fourth Proportional to 127,088,711.51, 190,546,038.68 and 64,719,296.39

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Solution

The fourth proportional to 127,088,711.51, 190,546,038.68 and 64,719,296.39 is: 97,034,625.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,088,711.51 : 190,546,038.68 = 64,719,296.39 : x
  2. Step 2: Convert to fraction form
    127,088,711.51/190,546,038.68 = 64,719,296.39/x
  3. Step 3: Cross multiply
    127,088,711.51x = 190,546,038.68 × 64,719,296.39
  4. Step 4: Simplify right side
    127,088,711.51x = 12,332,005,551,994,998
  5. Step 5: Solve for x
    x = 12,332,005,551,994,998/127,088,711.51
  6. Step 6: Final answer
    x = 97,034,625.70

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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.