Home / 127,386,327.51-191,047,900.05-54,594,853.74

Finding the Fourth Proportional to 127,386,327.51, 191,047,900.05 and 54,594,853.74

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Solution

The fourth proportional to 127,386,327.51, 191,047,900.05 and 54,594,853.74 is: 81,878,741.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,386,327.51 : 191,047,900.05 = 54,594,853.74 : x
  2. Step 2: Convert to fraction form
    127,386,327.51/191,047,900.05 = 54,594,853.74/x
  3. Step 3: Cross multiply
    127,386,327.51x = 191,047,900.05 × 54,594,853.74
  4. Step 4: Simplify right side
    127,386,327.51x = 10,430,232,160,563,890
  5. Step 5: Solve for x
    x = 10,430,232,160,563,890/127,386,327.51
  6. Step 6: Final answer
    x = 81,878,741.34

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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.