Home / 113,931,972.12-170,614,522.98-79,692,999.96

Finding the Fourth Proportional to 113,931,972.12, 170,614,522.98 and 79,692,999.96

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Solution

The fourth proportional to 113,931,972.12, 170,614,522.98 and 79,692,999.96 is: 119,341,243.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,931,972.12 : 170,614,522.98 = 79,692,999.96 : x
  2. Step 2: Convert to fraction form
    113,931,972.12/170,614,522.98 = 79,692,999.96/x
  3. Step 3: Cross multiply
    113,931,972.12x = 170,614,522.98 × 79,692,999.96
  4. Step 4: Simplify right side
    113,931,972.12x = 13,596,783,173,020,558
  5. Step 5: Solve for x
    x = 13,596,783,173,020,558/113,931,972.12
  6. Step 6: Final answer
    x = 119,341,243.02

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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.