Home / 253,703,212.74-380,562,692.31-120,726,931.46

Finding the Fourth Proportional to 253,703,212.74, 380,562,692.31 and 120,726,931.46

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Solution

The fourth proportional to 253,703,212.74, 380,562,692.31 and 120,726,931.46 is: 181,094,143.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,703,212.74 : 380,562,692.31 = 120,726,931.46 : x
  2. Step 2: Convert to fraction form
    253,703,212.74/380,562,692.31 = 120,726,931.46/x
  3. Step 3: Cross multiply
    253,703,212.74x = 380,562,692.31 × 120,726,931.46
  4. Step 4: Simplify right side
    253,703,212.74x = 45,944,166,070,742,440
  5. Step 5: Solve for x
    x = 45,944,166,070,742,440/253,703,212.74
  6. Step 6: Final answer
    x = 181,094,143.72

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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.