Home / 170,878,432-235,813,368.40-92,561,985.50

Finding the Fourth Proportional to 170,878,432, 235,813,368.40 and 92,561,985.50

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Solution

The fourth proportional to 170,878,432, 235,813,368.40 and 92,561,985.50 is: 127,736,153.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,878,432 : 235,813,368.40 = 92,561,985.50 : x
  2. Step 2: Convert to fraction form
    170,878,432/235,813,368.40 = 92,561,985.50/x
  3. Step 3: Cross multiply
    170,878,432x = 235,813,368.40 × 92,561,985.50
  4. Step 4: Simplify right side
    170,878,432x = 21,827,353,586,546,960
  5. Step 5: Solve for x
    x = 21,827,353,586,546,960/170,878,432
  6. Step 6: Final answer
    x = 127,736,153.31

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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.