Home / 112,430,015.80-168,487,559.70-89,440,271.80

Finding the Fourth Proportional to 112,430,015.80, 168,487,559.70 and 89,440,271.80

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Solution

The fourth proportional to 112,430,015.80, 168,487,559.70 and 89,440,271.80 is: 134,035,142.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,430,015.80 : 168,487,559.70 = 89,440,271.80 : x
  2. Step 2: Convert to fraction form
    112,430,015.80/168,487,559.70 = 89,440,271.80/x
  3. Step 3: Cross multiply
    112,430,015.80x = 168,487,559.70 × 89,440,271.80
  4. Step 4: Simplify right side
    112,430,015.80x = 15,069,573,134,486,724
  5. Step 5: Solve for x
    x = 15,069,573,134,486,724/112,430,015.80
  6. Step 6: Final answer
    x = 134,035,142.01

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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.