Home / 74,927,702.40-112,391,553.60-21,075,014.40

Finding the Fourth Proportional to 74,927,702.40, 112,391,553.60 and 21,075,014.40

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Solution

The fourth proportional to 74,927,702.40, 112,391,553.60 and 21,075,014.40 is: 31,612,521.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,927,702.40 : 112,391,553.60 = 21,075,014.40 : x
  2. Step 2: Convert to fraction form
    74,927,702.40/112,391,553.60 = 21,075,014.40/x
  3. Step 3: Cross multiply
    74,927,702.40x = 112,391,553.60 × 21,075,014.40
  4. Step 4: Simplify right side
    74,927,702.40x = 2,368,653,610,558,371.50
  5. Step 5: Solve for x
    x = 2,368,653,610,558,371.50/74,927,702.40
  6. Step 6: Final answer
    x = 31,612,521.60

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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.