Home / 98,189,793.12-147,290,594.52-30,033,075.36

Finding the Fourth Proportional to 98,189,793.12, 147,290,594.52 and 30,033,075.36

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Solution

The fourth proportional to 98,189,793.12, 147,290,594.52 and 30,033,075.36 is: 45,051,419.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,189,793.12 : 147,290,594.52 = 30,033,075.36 : x
  2. Step 2: Convert to fraction form
    98,189,793.12/147,290,594.52 = 30,033,075.36/x
  3. Step 3: Cross multiply
    98,189,793.12x = 147,290,594.52 × 30,033,075.36
  4. Step 4: Simplify right side
    98,189,793.12x = 4,423,589,525,038,363.50
  5. Step 5: Solve for x
    x = 4,423,589,525,038,363.50/98,189,793.12
  6. Step 6: Final answer
    x = 45,051,419.14

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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.