Home / 143,085,090.40-214,655,629.20-61,203,810.40

Finding the Fourth Proportional to 143,085,090.40, 214,655,629.20 and 61,203,810.40

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Solution

The fourth proportional to 143,085,090.40, 214,655,629.20 and 61,203,810.40 is: 91,817,689.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,085,090.40 : 214,655,629.20 = 61,203,810.40 : x
  2. Step 2: Convert to fraction form
    143,085,090.40/214,655,629.20 = 61,203,810.40/x
  3. Step 3: Cross multiply
    143,085,090.40x = 214,655,629.20 × 61,203,810.40
  4. Step 4: Simplify right side
    143,085,090.40x = 13,137,742,430,849,502
  5. Step 5: Solve for x
    x = 13,137,742,430,849,502/143,085,090.40
  6. Step 6: Final answer
    x = 91,817,689.70

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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.