Home / 85,636,686.11-118,178,743.53-46,478,463.36

Finding the Fourth Proportional to 85,636,686.11, 118,178,743.53 and 46,478,463.36

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Solution

The fourth proportional to 85,636,686.11, 118,178,743.53 and 46,478,463.36 is: 64,140,342.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,636,686.11 : 118,178,743.53 = 46,478,463.36 : x
  2. Step 2: Convert to fraction form
    85,636,686.11/118,178,743.53 = 46,478,463.36/x
  3. Step 3: Cross multiply
    85,636,686.11x = 118,178,743.53 × 46,478,463.36
  4. Step 4: Simplify right side
    85,636,686.11x = 5,492,766,401,089,942
  5. Step 5: Solve for x
    x = 5,492,766,401,089,942/85,636,686.11
  6. Step 6: Final answer
    x = 64,140,342.78

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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.