Home / 126,904,330.08-190,357,152-57,768,784.32

Finding the Fourth Proportional to 126,904,330.08, 190,357,152 and 57,768,784.32

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Solution

The fourth proportional to 126,904,330.08, 190,357,152 and 57,768,784.32 is: 86,653,475.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,904,330.08 : 190,357,152 = 57,768,784.32 : x
  2. Step 2: Convert to fraction form
    126,904,330.08/190,357,152 = 57,768,784.32/x
  3. Step 3: Cross multiply
    126,904,330.08x = 190,357,152 × 57,768,784.32
  4. Step 4: Simplify right side
    126,904,330.08x = 10,996,701,257,657,456
  5. Step 5: Solve for x
    x = 10,996,701,257,657,456/126,904,330.08
  6. Step 6: Final answer
    x = 86,653,475.50

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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.