Home / 86,038,140.15-118,731,138.47-46,880,238.67

Finding the Fourth Proportional to 86,038,140.15, 118,731,138.47 and 46,880,238.67

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Solution

The fourth proportional to 86,038,140.15, 118,731,138.47 and 46,880,238.67 is: 64,693,914.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,038,140.15 : 118,731,138.47 = 46,880,238.67 : x
  2. Step 2: Convert to fraction form
    86,038,140.15/118,731,138.47 = 46,880,238.67/x
  3. Step 3: Cross multiply
    86,038,140.15x = 118,731,138.47 × 46,880,238.67
  4. Step 4: Simplify right side
    86,038,140.15x = 5,566,144,109,034,419
  5. Step 5: Solve for x
    x = 5,566,144,109,034,419/86,038,140.15
  6. Step 6: Final answer
    x = 64,693,914.81

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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.