Home / 42,009,821.40-63,014,732.10-33,506,765.40

Finding the Fourth Proportional to 42,009,821.40, 63,014,732.10 and 33,506,765.40

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Solution

The fourth proportional to 42,009,821.40, 63,014,732.10 and 33,506,765.40 is: 50,260,148.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,009,821.40 : 63,014,732.10 = 33,506,765.40 : x
  2. Step 2: Convert to fraction form
    42,009,821.40/63,014,732.10 = 33,506,765.40/x
  3. Step 3: Cross multiply
    42,009,821.40x = 63,014,732.10 × 33,506,765.40
  4. Step 4: Simplify right side
    42,009,821.40x = 2,111,419,845,218,549.25
  5. Step 5: Solve for x
    x = 2,111,419,845,218,549.25/42,009,821.40
  6. Step 6: Final answer
    x = 50,260,148.10

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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.