Home / 104,984,931.20-157,477,396.80-83,302,138.40

Finding the Fourth Proportional to 104,984,931.20, 157,477,396.80 and 83,302,138.40

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Solution

The fourth proportional to 104,984,931.20, 157,477,396.80 and 83,302,138.40 is: 124,953,207.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,984,931.20 : 157,477,396.80 = 83,302,138.40 : x
  2. Step 2: Convert to fraction form
    104,984,931.20/157,477,396.80 = 83,302,138.40/x
  3. Step 3: Cross multiply
    104,984,931.20x = 157,477,396.80 × 83,302,138.40
  4. Step 4: Simplify right side
    104,984,931.20x = 13,118,203,903,105,320
  5. Step 5: Solve for x
    x = 13,118,203,903,105,320/104,984,931.20
  6. Step 6: Final answer
    x = 124,953,207.60

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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.