Home / 74,636,152.20-112,003,994.70-42,287,992.20

Finding the Fourth Proportional to 74,636,152.20, 112,003,994.70 and 42,287,992.20

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Solution

The fourth proportional to 74,636,152.20, 112,003,994.70 and 42,287,992.20 is: 63,460,185.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,636,152.20 : 112,003,994.70 = 42,287,992.20 : x
  2. Step 2: Convert to fraction form
    74,636,152.20/112,003,994.70 = 42,287,992.20/x
  3. Step 3: Cross multiply
    74,636,152.20x = 112,003,994.70 × 42,287,992.20
  4. Step 4: Simplify right side
    74,636,152.20x = 4,736,424,054,242,442
  5. Step 5: Solve for x
    x = 4,736,424,054,242,442/74,636,152.20
  6. Step 6: Final answer
    x = 63,460,185.37

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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.