Home / 304,913,235.40-420,779,465.22-165,684,002.92

Finding the Fourth Proportional to 304,913,235.40, 420,779,465.22 and 165,684,002.92

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Solution

The fourth proportional to 304,913,235.40, 420,779,465.22 and 165,684,002.92 is: 228,643,489.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,913,235.40 : 420,779,465.22 = 165,684,002.92 : x
  2. Step 2: Convert to fraction form
    304,913,235.40/420,779,465.22 = 165,684,002.92/x
  3. Step 3: Cross multiply
    304,913,235.40x = 420,779,465.22 × 165,684,002.92
  4. Step 4: Simplify right side
    304,913,235.40x = 69,716,426,144,186,520
  5. Step 5: Solve for x
    x = 69,716,426,144,186,520/304,913,235.40
  6. Step 6: Final answer
    x = 228,643,489.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.