Home / 77,920,010.40-116,880,015.60-37,609,226.40

Finding the Fourth Proportional to 77,920,010.40, 116,880,015.60 and 37,609,226.40

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Solution

The fourth proportional to 77,920,010.40, 116,880,015.60 and 37,609,226.40 is: 56,413,839.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,920,010.40 : 116,880,015.60 = 37,609,226.40 : x
  2. Step 2: Convert to fraction form
    77,920,010.40/116,880,015.60 = 37,609,226.40/x
  3. Step 3: Cross multiply
    77,920,010.40x = 116,880,015.60 × 37,609,226.40
  4. Step 4: Simplify right side
    77,920,010.40x = 4,395,766,968,335,931.50
  5. Step 5: Solve for x
    x = 4,395,766,968,335,931.50/77,920,010.40
  6. Step 6: Final answer
    x = 56,413,839.60

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1.5x scale

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.