Home / 57,528,033.04-86,280,411.48-21,123,928.72

Finding the Fourth Proportional to 57,528,033.04, 86,280,411.48 and 21,123,928.72

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Solution

The fourth proportional to 57,528,033.04, 86,280,411.48 and 21,123,928.72 is: 31,681,619.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,528,033.04 : 86,280,411.48 = 21,123,928.72 : x
  2. Step 2: Convert to fraction form
    57,528,033.04/86,280,411.48 = 21,123,928.72/x
  3. Step 3: Cross multiply
    57,528,033.04x = 86,280,411.48 × 21,123,928.72
  4. Step 4: Simplify right side
    57,528,033.04x = 1,822,581,262,035,789.75
  5. Step 5: Solve for x
    x = 1,822,581,262,035,789.75/57,528,033.04
  6. Step 6: Final answer
    x = 31,681,619.65

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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.