Home / 459,735,892.40-689,602,024.20-136,619,764.40

Finding the Fourth Proportional to 459,735,892.40, 689,602,024.20 and 136,619,764.40

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Solution

The fourth proportional to 459,735,892.40, 689,602,024.20 and 136,619,764.40 is: 204,929,107.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,735,892.40 : 689,602,024.20 = 136,619,764.40 : x
  2. Step 2: Convert to fraction form
    459,735,892.40/689,602,024.20 = 136,619,764.40/x
  3. Step 3: Cross multiply
    459,735,892.40x = 689,602,024.20 × 136,619,764.40
  4. Step 4: Simplify right side
    459,735,892.40x = 94,213,266,075,967,104
  5. Step 5: Solve for x
    x = 94,213,266,075,967,104/459,735,892.40
  6. Step 6: Final answer
    x = 204,929,107.41

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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.