Home / 162,385,655.60-243,578,483.40-76,292,213.60

Finding the Fourth Proportional to 162,385,655.60, 243,578,483.40 and 76,292,213.60

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Solution

The fourth proportional to 162,385,655.60, 243,578,483.40 and 76,292,213.60 is: 114,438,320.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,385,655.60 : 243,578,483.40 = 76,292,213.60 : x
  2. Step 2: Convert to fraction form
    162,385,655.60/243,578,483.40 = 76,292,213.60/x
  3. Step 3: Cross multiply
    162,385,655.60x = 243,578,483.40 × 76,292,213.60
  4. Step 4: Simplify right side
    162,385,655.60x = 18,583,141,683,916,852
  5. Step 5: Solve for x
    x = 18,583,141,683,916,852/162,385,655.60
  6. Step 6: Final answer
    x = 114,438,320.40

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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.