Home / 208,045,373.46-312,112,783.67-60,495,497.21

Finding the Fourth Proportional to 208,045,373.46, 312,112,783.67 and 60,495,497.21

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Solution

The fourth proportional to 208,045,373.46, 312,112,783.67 and 60,495,497.21 is: 90,756,250.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,045,373.46 : 312,112,783.67 = 60,495,497.21 : x
  2. Step 2: Convert to fraction form
    208,045,373.46/312,112,783.67 = 60,495,497.21/x
  3. Step 3: Cross multiply
    208,045,373.46x = 312,112,783.67 × 60,495,497.21
  4. Step 4: Simplify right side
    208,045,373.46x = 18,881,418,033,713,820
  5. Step 5: Solve for x
    x = 18,881,418,033,713,820/208,045,373.46
  6. Step 6: Final answer
    x = 90,756,250.52

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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.