Home / 127,878,935.20-191,818,402.80-47,089,405.60

Finding the Fourth Proportional to 127,878,935.20, 191,818,402.80 and 47,089,405.60

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Solution

The fourth proportional to 127,878,935.20, 191,818,402.80 and 47,089,405.60 is: 70,634,108.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,878,935.20 : 191,818,402.80 = 47,089,405.60 : x
  2. Step 2: Convert to fraction form
    127,878,935.20/191,818,402.80 = 47,089,405.60/x
  3. Step 3: Cross multiply
    127,878,935.20x = 191,818,402.80 × 47,089,405.60
  4. Step 4: Simplify right side
    127,878,935.20x = 9,032,614,570,993,376
  5. Step 5: Solve for x
    x = 9,032,614,570,993,376/127,878,935.20
  6. Step 6: Final answer
    x = 70,634,108.40

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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.