Home / 231,827,158.40-347,740,737.60-70,248,099.20

Finding the Fourth Proportional to 231,827,158.40, 347,740,737.60 and 70,248,099.20

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Solution

The fourth proportional to 231,827,158.40, 347,740,737.60 and 70,248,099.20 is: 105,372,148.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,827,158.40 : 347,740,737.60 = 70,248,099.20 : x
  2. Step 2: Convert to fraction form
    231,827,158.40/347,740,737.60 = 70,248,099.20/x
  3. Step 3: Cross multiply
    231,827,158.40x = 347,740,737.60 × 70,248,099.20
  4. Step 4: Simplify right side
    231,827,158.40x = 24,428,125,830,805,972
  5. Step 5: Solve for x
    x = 24,428,125,830,805,972/231,827,158.40
  6. Step 6: Final answer
    x = 105,372,148.80

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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.