Home / 113,386,803.90-170,080,205.85-77,107,098.30

Finding the Fourth Proportional to 113,386,803.90, 170,080,205.85 and 77,107,098.30

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Solution

The fourth proportional to 113,386,803.90, 170,080,205.85 and 77,107,098.30 is: 115,660,647.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,386,803.90 : 170,080,205.85 = 77,107,098.30 : x
  2. Step 2: Convert to fraction form
    113,386,803.90/170,080,205.85 = 77,107,098.30/x
  3. Step 3: Cross multiply
    113,386,803.90x = 170,080,205.85 × 77,107,098.30
  4. Step 4: Simplify right side
    113,386,803.90x = 13,114,391,151,360,184
  5. Step 5: Solve for x
    x = 13,114,391,151,360,184/113,386,803.90
  6. Step 6: Final answer
    x = 115,660,647.45

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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.