Home / 168,490,823.60-252,736,235.40-157,153,415.60

Finding the Fourth Proportional to 168,490,823.60, 252,736,235.40 and 157,153,415.60

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Solution

The fourth proportional to 168,490,823.60, 252,736,235.40 and 157,153,415.60 is: 235,730,123.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,490,823.60 : 252,736,235.40 = 157,153,415.60 : x
  2. Step 2: Convert to fraction form
    168,490,823.60/252,736,235.40 = 157,153,415.60/x
  3. Step 3: Cross multiply
    168,490,823.60x = 252,736,235.40 × 157,153,415.60
  4. Step 4: Simplify right side
    168,490,823.60x = 39,718,362,638,995,632
  5. Step 5: Solve for x
    x = 39,718,362,638,995,632/168,490,823.60
  6. Step 6: Final answer
    x = 235,730,123.40

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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.