Home / 99,426,189.89-149,130,082.86-46,891,815.58

Finding the Fourth Proportional to 99,426,189.89, 149,130,082.86 and 46,891,815.58

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Solution

The fourth proportional to 99,426,189.89, 149,130,082.86 and 46,891,815.58 is: 70,333,383.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,426,189.89 : 149,130,082.86 = 46,891,815.58 : x
  2. Step 2: Convert to fraction form
    99,426,189.89/149,130,082.86 = 46,891,815.58/x
  3. Step 3: Cross multiply
    99,426,189.89x = 149,130,082.86 × 46,891,815.58
  4. Step 4: Simplify right side
    99,426,189.89x = 6,992,980,342,901,239
  5. Step 5: Solve for x
    x = 6,992,980,342,901,239/99,426,189.89
  6. Step 6: Final answer
    x = 70,333,383.49

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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.