Home / 143,085,051.40-214,655,570.70-61,203,771.40

Finding the Fourth Proportional to 143,085,051.40, 214,655,570.70 and 61,203,771.40

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Solution

The fourth proportional to 143,085,051.40, 214,655,570.70 and 61,203,771.40 is: 91,817,631.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,085,051.40 : 214,655,570.70 = 61,203,771.40 : x
  2. Step 2: Convert to fraction form
    143,085,051.40/214,655,570.70 = 61,203,771.40/x
  3. Step 3: Cross multiply
    143,085,051.40x = 214,655,570.70 × 61,203,771.40
  4. Step 4: Simplify right side
    143,085,051.40x = 13,137,730,478,859,336
  5. Step 5: Solve for x
    x = 13,137,730,478,859,336/143,085,051.40
  6. Step 6: Final answer
    x = 91,817,631.19

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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.