Home / 113,552,049.40-170,328,074.10-98,771,428.60

Finding the Fourth Proportional to 113,552,049.40, 170,328,074.10 and 98,771,428.60

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Solution

The fourth proportional to 113,552,049.40, 170,328,074.10 and 98,771,428.60 is: 148,157,142.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,552,049.40 : 170,328,074.10 = 98,771,428.60 : x
  2. Step 2: Convert to fraction form
    113,552,049.40/170,328,074.10 = 98,771,428.60/x
  3. Step 3: Cross multiply
    113,552,049.40x = 170,328,074.10 × 98,771,428.60
  4. Step 4: Simplify right side
    113,552,049.40x = 16,823,547,209,543,658
  5. Step 5: Solve for x
    x = 16,823,547,209,543,658/113,552,049.40
  6. Step 6: Final answer
    x = 148,157,142.90

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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.