Home / 145,163,234.40-218,069,254.80-121,275,362.40

Finding the Fourth Proportional to 145,163,234.40, 218,069,254.80 and 121,275,362.40

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Solution

The fourth proportional to 145,163,234.40, 218,069,254.80 and 121,275,362.40 is: 182,184,063.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,163,234.40 : 218,069,254.80 = 121,275,362.40 : x
  2. Step 2: Convert to fraction form
    145,163,234.40/218,069,254.80 = 121,275,362.40/x
  3. Step 3: Cross multiply
    145,163,234.40x = 218,069,254.80 × 121,275,362.40
  4. Step 4: Simplify right side
    145,163,234.40x = 26,446,427,904,167,944
  5. Step 5: Solve for x
    x = 26,446,427,904,167,944/145,163,234.40
  6. Step 6: Final answer
    x = 182,184,063.43

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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.