Home / 112,025,853.60-168,038,780.40-105,223,408.80

Finding the Fourth Proportional to 112,025,853.60, 168,038,780.40 and 105,223,408.80

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Solution

The fourth proportional to 112,025,853.60, 168,038,780.40 and 105,223,408.80 is: 157,835,113.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,025,853.60 : 168,038,780.40 = 105,223,408.80 : x
  2. Step 2: Convert to fraction form
    112,025,853.60/168,038,780.40 = 105,223,408.80/x
  3. Step 3: Cross multiply
    112,025,853.60x = 168,038,780.40 × 105,223,408.80
  4. Step 4: Simplify right side
    112,025,853.60x = 17,681,613,284,282,628
  5. Step 5: Solve for x
    x = 17,681,613,284,282,628/112,025,853.60
  6. Step 6: Final answer
    x = 157,835,113.20

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1.5x scale

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.