Home / 99,809,727.90-149,688,019.80-30,722,397.90

Finding the Fourth Proportional to 99,809,727.90, 149,688,019.80 and 30,722,397.90

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Solution

The fourth proportional to 99,809,727.90, 149,688,019.80 and 30,722,397.90 is: 46,075,417.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,809,727.90 : 149,688,019.80 = 30,722,397.90 : x
  2. Step 2: Convert to fraction form
    99,809,727.90/149,688,019.80 = 30,722,397.90/x
  3. Step 3: Cross multiply
    99,809,727.90x = 149,688,019.80 × 30,722,397.90
  4. Step 4: Simplify right side
    99,809,727.90x = 4,598,774,905,158,679
  5. Step 5: Solve for x
    x = 4,598,774,905,158,679/99,809,727.90
  6. Step 6: Final answer
    x = 46,075,417.72

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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.