Home / 53,875,125.20-80,863,426.20-28,334,464.40

Finding the Fourth Proportional to 53,875,125.20, 80,863,426.20 and 28,334,464.40

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Solution

The fourth proportional to 53,875,125.20, 80,863,426.20 and 28,334,464.40 is: 42,528,381.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,875,125.20 : 80,863,426.20 = 28,334,464.40 : x
  2. Step 2: Convert to fraction form
    53,875,125.20/80,863,426.20 = 28,334,464.40/x
  3. Step 3: Cross multiply
    53,875,125.20x = 80,863,426.20 × 28,334,464.40
  4. Step 4: Simplify right side
    53,875,125.20x = 2,291,221,870,925,927
  5. Step 5: Solve for x
    x = 2,291,221,870,925,927/53,875,125.20
  6. Step 6: Final answer
    x = 42,528,381.37

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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.