Home / 127,245,810.20-190,854,421.76-35,142,641.88

Finding the Fourth Proportional to 127,245,810.20, 190,854,421.76 and 35,142,641.88

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Solution

The fourth proportional to 127,245,810.20, 190,854,421.76 and 35,142,641.88 is: 52,710,015.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,245,810.20 : 190,854,421.76 = 35,142,641.88 : x
  2. Step 2: Convert to fraction form
    127,245,810.20/190,854,421.76 = 35,142,641.88/x
  3. Step 3: Cross multiply
    127,245,810.20x = 190,854,421.76 × 35,142,641.88
  4. Step 4: Simplify right side
    127,245,810.20x = 6,707,128,595,126,159
  5. Step 5: Solve for x
    x = 6,707,128,595,126,159/127,245,810.20
  6. Step 6: Final answer
    x = 52,710,015.24

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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.