Home / 30,528,021.30-42,852,603.90-30,528,021.30

Finding the Fourth Proportional to 30,528,021.30, 42,852,603.90 and 30,528,021.30

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Solution

The fourth proportional to 30,528,021.30, 42,852,603.90 and 30,528,021.30 is: 42,852,603.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,528,021.30 : 42,852,603.90 = 30,528,021.30 : x
  2. Step 2: Convert to fraction form
    30,528,021.30/42,852,603.90 = 30,528,021.30/x
  3. Step 3: Cross multiply
    30,528,021.30x = 42,852,603.90 × 30,528,021.30
  4. Step 4: Simplify right side
    30,528,021.30x = 1,308,205,204,619,663
  5. Step 5: Solve for x
    x = 1,308,205,204,619,663/30,528,021.30
  6. Step 6: Final answer
    x = 42,852,603.90

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.