Home / 74,746,866.30-111,999,577.05-42,302,283.90

Finding the Fourth Proportional to 74,746,866.30, 111,999,577.05 and 42,302,283.90

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Solution

The fourth proportional to 74,746,866.30, 111,999,577.05 and 42,302,283.90 is: 63,385,104.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,746,866.30 : 111,999,577.05 = 42,302,283.90 : x
  2. Step 2: Convert to fraction form
    74,746,866.30/111,999,577.05 = 42,302,283.90/x
  3. Step 3: Cross multiply
    74,746,866.30x = 111,999,577.05 × 42,302,283.90
  4. Step 4: Simplify right side
    74,746,866.30x = 4,737,837,905,049,024
  5. Step 5: Solve for x
    x = 4,737,837,905,049,024/74,746,866.30
  6. Step 6: Final answer
    x = 63,385,104.15

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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.