Home / 253,395,655.40-380,237,268.90-136,809,457.76

Finding the Fourth Proportional to 253,395,655.40, 380,237,268.90 and 136,809,457.76

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Solution

The fourth proportional to 253,395,655.40, 380,237,268.90 and 136,809,457.76 is: 205,291,817.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,395,655.40 : 380,237,268.90 = 136,809,457.76 : x
  2. Step 2: Convert to fraction form
    253,395,655.40/380,237,268.90 = 136,809,457.76/x
  3. Step 3: Cross multiply
    253,395,655.40x = 380,237,268.90 × 136,809,457.76
  4. Step 4: Simplify right side
    253,395,655.40x = 52,020,054,578,352,304
  5. Step 5: Solve for x
    x = 52,020,054,578,352,304/253,395,655.40
  6. Step 6: Final answer
    x = 205,291,817.24

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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.