Home / 151,779,184.48-209,455,032.36-82,164,546.91

Finding the Fourth Proportional to 151,779,184.48, 209,455,032.36 and 82,164,546.91

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Solution

The fourth proportional to 151,779,184.48, 209,455,032.36 and 82,164,546.91 is: 113,386,943.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,779,184.48 : 209,455,032.36 = 82,164,546.91 : x
  2. Step 2: Convert to fraction form
    151,779,184.48/209,455,032.36 = 82,164,546.91/x
  3. Step 3: Cross multiply
    151,779,184.48x = 209,455,032.36 × 82,164,546.91
  4. Step 4: Simplify right side
    151,779,184.48x = 17,209,777,831,878,788
  5. Step 5: Solve for x
    x = 17,209,777,831,878,788/151,779,184.48
  6. Step 6: Final answer
    x = 113,386,943.61

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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.