Home / 142,950,231.40-214,425,347.10-40,712,938.60

Finding the Fourth Proportional to 142,950,231.40, 214,425,347.10 and 40,712,938.60

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Solution

The fourth proportional to 142,950,231.40, 214,425,347.10 and 40,712,938.60 is: 61,069,407.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,950,231.40 : 214,425,347.10 = 40,712,938.60 : x
  2. Step 2: Convert to fraction form
    142,950,231.40/214,425,347.10 = 40,712,938.60/x
  3. Step 3: Cross multiply
    142,950,231.40x = 214,425,347.10 × 40,712,938.60
  4. Step 4: Simplify right side
    142,950,231.40x = 8,729,885,990,765,988
  5. Step 5: Solve for x
    x = 8,729,885,990,765,988/142,950,231.40
  6. Step 6: Final answer
    x = 61,069,407.90

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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.