Home / 74,047,446,117.60-111,071,169,176.40-72,578,118,040.80

Finding the Fourth Proportional to 74,047,446,117.60, 111,071,169,176.40 and 72,578,118,040.80

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Solution

The fourth proportional to 74,047,446,117.60, 111,071,169,176.40 and 72,578,118,040.80 is: 108,867,177,061.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,047,446,117.60 : 111,071,169,176.40 = 72,578,118,040.80 : x
  2. Step 2: Convert to fraction form
    74,047,446,117.60/111,071,169,176.40 = 72,578,118,040.80/x
  3. Step 3: Cross multiply
    74,047,446,117.60x = 111,071,169,176.40 × 72,578,118,040.80
  4. Step 4: Simplify right side
    74,047,446,117.60x = 8,061,336,427,414,425,698,304
  5. Step 5: Solve for x
    x = 8,061,336,427,414,425,698,304/74,047,446,117.60
  6. Step 6: Final answer
    x = 108,867,177,061.20

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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.