Home / 45,931,608.80-68,897,413.20-40,909,491.35

Finding the Fourth Proportional to 45,931,608.80, 68,897,413.20 and 40,909,491.35

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Solution

The fourth proportional to 45,931,608.80, 68,897,413.20 and 40,909,491.35 is: 61,364,237.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,931,608.80 : 68,897,413.20 = 40,909,491.35 : x
  2. Step 2: Convert to fraction form
    45,931,608.80/68,897,413.20 = 40,909,491.35/x
  3. Step 3: Cross multiply
    45,931,608.80x = 68,897,413.20 × 40,909,491.35
  4. Step 4: Simplify right side
    45,931,608.80x = 2,818,558,129,342,776
  5. Step 5: Solve for x
    x = 2,818,558,129,342,776/45,931,608.80
  6. Step 6: Final answer
    x = 61,364,237.03

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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.