Home / 162,003,353.20-223,565,220-87,663,914.40

Finding the Fourth Proportional to 162,003,353.20, 223,565,220 and 87,663,914.40

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Solution

The fourth proportional to 162,003,353.20, 223,565,220 and 87,663,914.40 is: 120,976,522.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,003,353.20 : 223,565,220 = 87,663,914.40 : x
  2. Step 2: Convert to fraction form
    162,003,353.20/223,565,220 = 87,663,914.40/x
  3. Step 3: Cross multiply
    162,003,353.20x = 223,565,220 × 87,663,914.40
  4. Step 4: Simplify right side
    162,003,353.20x = 19,598,602,308,897,168
  5. Step 5: Solve for x
    x = 19,598,602,308,897,168/162,003,353.20
  6. Step 6: Final answer
    x = 120,976,522.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.