Home / 99,326,118.51-149,011,598.70-30,245,099.22

Finding the Fourth Proportional to 99,326,118.51, 149,011,598.70 and 30,245,099.22

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Solution

The fourth proportional to 99,326,118.51, 149,011,598.70 and 30,245,099.22 is: 45,374,476.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,326,118.51 : 149,011,598.70 = 30,245,099.22 : x
  2. Step 2: Convert to fraction form
    99,326,118.51/149,011,598.70 = 30,245,099.22/x
  3. Step 3: Cross multiply
    99,326,118.51x = 149,011,598.70 × 30,245,099.22
  4. Step 4: Simplify right side
    99,326,118.51x = 4,506,870,587,612,322
  5. Step 5: Solve for x
    x = 4,506,870,587,612,322/99,326,118.51
  6. Step 6: Final answer
    x = 45,374,476.07

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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.