Home / 113,432,111.40-156,541,126.29-63,196,285.38

Finding the Fourth Proportional to 113,432,111.40, 156,541,126.29 and 63,196,285.38

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Solution

The fourth proportional to 113,432,111.40, 156,541,126.29 and 63,196,285.38 is: 87,213,555.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,432,111.40 : 156,541,126.29 = 63,196,285.38 : x
  2. Step 2: Convert to fraction form
    113,432,111.40/156,541,126.29 = 63,196,285.38/x
  3. Step 3: Cross multiply
    113,432,111.40x = 156,541,126.29 × 63,196,285.38
  4. Step 4: Simplify right side
    113,432,111.40x = 9,892,817,689,905,444
  5. Step 5: Solve for x
    x = 9,892,817,689,905,444/113,432,111.40
  6. Step 6: Final answer
    x = 87,213,555.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.