Home / 42,706,093.80-64,059,140.70-42,307,962.60

Finding the Fourth Proportional to 42,706,093.80, 64,059,140.70 and 42,307,962.60

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Solution

The fourth proportional to 42,706,093.80, 64,059,140.70 and 42,307,962.60 is: 63,461,943.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,706,093.80 : 64,059,140.70 = 42,307,962.60 : x
  2. Step 2: Convert to fraction form
    42,706,093.80/64,059,140.70 = 42,307,962.60/x
  3. Step 3: Cross multiply
    42,706,093.80x = 64,059,140.70 × 42,307,962.60
  4. Step 4: Simplify right side
    42,706,093.80x = 2,710,211,728,923,738
  5. Step 5: Solve for x
    x = 2,710,211,728,923,738/42,706,093.80
  6. Step 6: Final answer
    x = 63,461,943.90

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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.