Home / 46,423,339.20-69,635,008.80-42,455,246.40

Finding the Fourth Proportional to 46,423,339.20, 69,635,008.80 and 42,455,246.40

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Solution

The fourth proportional to 46,423,339.20, 69,635,008.80 and 42,455,246.40 is: 63,682,869.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,423,339.20 : 69,635,008.80 = 42,455,246.40 : x
  2. Step 2: Convert to fraction form
    46,423,339.20/69,635,008.80 = 42,455,246.40/x
  3. Step 3: Cross multiply
    46,423,339.20x = 69,635,008.80 × 42,455,246.40
  4. Step 4: Simplify right side
    46,423,339.20x = 2,956,371,456,670,168
  5. Step 5: Solve for x
    x = 2,956,371,456,670,168/46,423,339.20
  6. Step 6: Final answer
    x = 63,682,869.60

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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.