Home / 52,537,429.40-78,737,788.20-21,376,772.36

Finding the Fourth Proportional to 52,537,429.40, 78,737,788.20 and 21,376,772.36

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Solution

The fourth proportional to 52,537,429.40, 78,737,788.20 and 21,376,772.36 is: 32,037,345.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,537,429.40 : 78,737,788.20 = 21,376,772.36 : x
  2. Step 2: Convert to fraction form
    52,537,429.40/78,737,788.20 = 21,376,772.36/x
  3. Step 3: Cross multiply
    52,537,429.40x = 78,737,788.20 × 21,376,772.36
  4. Step 4: Simplify right side
    52,537,429.40x = 1,683,159,774,481,294.25
  5. Step 5: Solve for x
    x = 1,683,159,774,481,294.25/52,537,429.40
  6. Step 6: Final answer
    x = 32,037,345.45

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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.