Home / 48,511,873.40-72,767,810.10-42,539,905.40

Finding the Fourth Proportional to 48,511,873.40, 72,767,810.10 and 42,539,905.40

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Solution

The fourth proportional to 48,511,873.40, 72,767,810.10 and 42,539,905.40 is: 63,809,858.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,511,873.40 : 72,767,810.10 = 42,539,905.40 : x
  2. Step 2: Convert to fraction form
    48,511,873.40/72,767,810.10 = 42,539,905.40/x
  3. Step 3: Cross multiply
    48,511,873.40x = 72,767,810.10 × 42,539,905.40
  4. Step 4: Simplify right side
    48,511,873.40x = 3,095,535,757,819,164
  5. Step 5: Solve for x
    x = 3,095,535,757,819,164/48,511,873.40
  6. Step 6: Final answer
    x = 63,809,858.10

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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.