Home / 156,020,133.60-234,030,200.40-79,492,629.60

Finding the Fourth Proportional to 156,020,133.60, 234,030,200.40 and 79,492,629.60

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Solution

The fourth proportional to 156,020,133.60, 234,030,200.40 and 79,492,629.60 is: 119,238,944.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,020,133.60 : 234,030,200.40 = 79,492,629.60 : x
  2. Step 2: Convert to fraction form
    156,020,133.60/234,030,200.40 = 79,492,629.60/x
  3. Step 3: Cross multiply
    156,020,133.60x = 234,030,200.40 × 79,492,629.60
  4. Step 4: Simplify right side
    156,020,133.60x = 18,603,676,035,610,972
  5. Step 5: Solve for x
    x = 18,603,676,035,610,972/156,020,133.60
  6. Step 6: Final answer
    x = 119,238,944.40

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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.