Home / 52,176,073.80-78,236,117.10-21,849,673.80

Finding the Fourth Proportional to 52,176,073.80, 78,236,117.10 and 21,849,673.80

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Solution

The fourth proportional to 52,176,073.80, 78,236,117.10 and 21,849,673.80 is: 32,762,787.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,176,073.80 : 78,236,117.10 = 21,849,673.80 : x
  2. Step 2: Convert to fraction form
    52,176,073.80/78,236,117.10 = 21,849,673.80/x
  3. Step 3: Cross multiply
    52,176,073.80x = 78,236,117.10 × 21,849,673.80
  4. Step 4: Simplify right side
    52,176,073.80x = 1,709,433,638,013,602
  5. Step 5: Solve for x
    x = 1,709,433,638,013,602/52,176,073.80
  6. Step 6: Final answer
    x = 32,762,787.87

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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.