Home / 84,807,007.80-127,210,511.70-30,281,161.20

Finding the Fourth Proportional to 84,807,007.80, 127,210,511.70 and 30,281,161.20

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Solution

The fourth proportional to 84,807,007.80, 127,210,511.70 and 30,281,161.20 is: 45,421,741.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,807,007.80 : 127,210,511.70 = 30,281,161.20 : x
  2. Step 2: Convert to fraction form
    84,807,007.80/127,210,511.70 = 30,281,161.20/x
  3. Step 3: Cross multiply
    84,807,007.80x = 127,210,511.70 × 30,281,161.20
  4. Step 4: Simplify right side
    84,807,007.80x = 3,852,082,011,122,186
  5. Step 5: Solve for x
    x = 3,852,082,011,122,186/84,807,007.80
  6. Step 6: Final answer
    x = 45,421,741.80

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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.