Home / 145,219,534.50-200,402,961.71-80,029,438.50

Finding the Fourth Proportional to 145,219,534.50, 200,402,961.71 and 80,029,438.50

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Solution

The fourth proportional to 145,219,534.50, 200,402,961.71 and 80,029,438.50 is: 110,440,627.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,219,534.50 : 200,402,961.71 = 80,029,438.50 : x
  2. Step 2: Convert to fraction form
    145,219,534.50/200,402,961.71 = 80,029,438.50/x
  3. Step 3: Cross multiply
    145,219,534.50x = 200,402,961.71 × 80,029,438.50
  4. Step 4: Simplify right side
    145,219,534.50x = 16,038,136,499,388,300
  5. Step 5: Solve for x
    x = 16,038,136,499,388,300/145,219,534.50
  6. Step 6: Final answer
    x = 110,440,627.39

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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.