Home / 92,900,445.41-128,210,783.62-51,091,878.14

Finding the Fourth Proportional to 92,900,445.41, 128,210,783.62 and 51,091,878.14

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Solution

The fourth proportional to 92,900,445.41, 128,210,783.62 and 51,091,878.14 is: 70,511,284.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,900,445.41 : 128,210,783.62 = 51,091,878.14 : x
  2. Step 2: Convert to fraction form
    92,900,445.41/128,210,783.62 = 51,091,878.14/x
  3. Step 3: Cross multiply
    92,900,445.41x = 128,210,783.62 × 51,091,878.14
  4. Step 4: Simplify right side
    92,900,445.41x = 6,550,529,732,946,948
  5. Step 5: Solve for x
    x = 6,550,529,732,946,948/92,900,445.41
  6. Step 6: Final answer
    x = 70,511,284.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.