Home / 127,116,011.80-190,674,017.70-119,463,261.40

Finding the Fourth Proportional to 127,116,011.80, 190,674,017.70 and 119,463,261.40

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Solution

The fourth proportional to 127,116,011.80, 190,674,017.70 and 119,463,261.40 is: 179,194,892.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,116,011.80 : 190,674,017.70 = 119,463,261.40 : x
  2. Step 2: Convert to fraction form
    127,116,011.80/190,674,017.70 = 119,463,261.40/x
  3. Step 3: Cross multiply
    127,116,011.80x = 190,674,017.70 × 119,463,261.40
  4. Step 4: Simplify right side
    127,116,011.80x = 22,778,540,018,683,328
  5. Step 5: Solve for x
    x = 22,778,540,018,683,328/127,116,011.80
  6. Step 6: Final answer
    x = 179,194,892.10

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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.