Home / 245,620,833.40-368,431,250.10-99,979,427.35

Finding the Fourth Proportional to 245,620,833.40, 368,431,250.10 and 99,979,427.35

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Solution

The fourth proportional to 245,620,833.40, 368,431,250.10 and 99,979,427.35 is: 149,969,141.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,620,833.40 : 368,431,250.10 = 99,979,427.35 : x
  2. Step 2: Convert to fraction form
    245,620,833.40/368,431,250.10 = 99,979,427.35/x
  3. Step 3: Cross multiply
    245,620,833.40x = 368,431,250.10 × 99,979,427.35
  4. Step 4: Simplify right side
    245,620,833.40x = 36,835,545,402,842,632
  5. Step 5: Solve for x
    x = 36,835,545,402,842,632/245,620,833.40
  6. Step 6: Final answer
    x = 149,969,141.03

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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.