Home / 101,376,080.40-152,064,120.60-99,360,541.20

Finding the Fourth Proportional to 101,376,080.40, 152,064,120.60 and 99,360,541.20

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Solution

The fourth proportional to 101,376,080.40, 152,064,120.60 and 99,360,541.20 is: 149,040,811.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,376,080.40 : 152,064,120.60 = 99,360,541.20 : x
  2. Step 2: Convert to fraction form
    101,376,080.40/152,064,120.60 = 99,360,541.20/x
  3. Step 3: Cross multiply
    101,376,080.40x = 152,064,120.60 × 99,360,541.20
  4. Step 4: Simplify right side
    101,376,080.40x = 15,109,173,319,918,068
  5. Step 5: Solve for x
    x = 15,109,173,319,918,068/101,376,080.40
  6. Step 6: Final answer
    x = 149,040,811.80

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.