Home / 99,809,730.40-149,688,023.55-30,722,400.40

Finding the Fourth Proportional to 99,809,730.40, 149,688,023.55 and 30,722,400.40

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Solution

The fourth proportional to 99,809,730.40, 149,688,023.55 and 30,722,400.40 is: 46,075,421.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,809,730.40 : 149,688,023.55 = 30,722,400.40 : x
  2. Step 2: Convert to fraction form
    99,809,730.40/149,688,023.55 = 30,722,400.40/x
  3. Step 3: Cross multiply
    99,809,730.40x = 149,688,023.55 × 30,722,400.40
  4. Step 4: Simplify right side
    99,809,730.40x = 4,598,775,394,587,730
  5. Step 5: Solve for x
    x = 4,598,775,394,587,730/99,809,730.40
  6. Step 6: Final answer
    x = 46,075,421.47

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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.