Home / 122,459,975.40-183,438,020.70-61,909,818.60

Finding the Fourth Proportional to 122,459,975.40, 183,438,020.70 and 61,909,818.60

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Solution

The fourth proportional to 122,459,975.40, 183,438,020.70 and 61,909,818.60 is: 92,737,358.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,459,975.40 : 183,438,020.70 = 61,909,818.60 : x
  2. Step 2: Convert to fraction form
    122,459,975.40/183,438,020.70 = 61,909,818.60/x
  3. Step 3: Cross multiply
    122,459,975.40x = 183,438,020.70 × 61,909,818.60
  4. Step 4: Simplify right side
    122,459,975.40x = 11,356,614,585,880,044
  5. Step 5: Solve for x
    x = 11,356,614,585,880,044/122,459,975.40
  6. Step 6: Final answer
    x = 92,737,358.05

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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.