Home / 113,959,441-157,264,167.90-61,748,435.08

Finding the Fourth Proportional to 113,959,441, 157,264,167.90 and 61,748,435.08

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Solution

The fourth proportional to 113,959,441, 157,264,167.90 and 61,748,435.08 is: 85,212,915.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,959,441 : 157,264,167.90 = 61,748,435.08 : x
  2. Step 2: Convert to fraction form
    113,959,441/157,264,167.90 = 61,748,435.08/x
  3. Step 3: Cross multiply
    113,959,441x = 157,264,167.90 × 61,748,435.08
  4. Step 4: Simplify right side
    113,959,441x = 9,710,816,261,983,370
  5. Step 5: Solve for x
    x = 9,710,816,261,983,370/113,959,441
  6. Step 6: Final answer
    x = 85,212,915.90

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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.