Home / 143,948,261.36-215,748,913.10-66,117,764.63

Finding the Fourth Proportional to 143,948,261.36, 215,748,913.10 and 66,117,764.63

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Solution

The fourth proportional to 143,948,261.36, 215,748,913.10 and 66,117,764.63 is: 99,096,965.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,948,261.36 : 215,748,913.10 = 66,117,764.63 : x
  2. Step 2: Convert to fraction form
    143,948,261.36/215,748,913.10 = 66,117,764.63/x
  3. Step 3: Cross multiply
    143,948,261.36x = 215,748,913.10 × 66,117,764.63
  4. Step 4: Simplify right side
    143,948,261.36x = 14,264,835,855,524,124
  5. Step 5: Solve for x
    x = 14,264,835,855,524,124/143,948,261.36
  6. Step 6: Final answer
    x = 99,096,965.26

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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.