Home / 170,878,459.29-235,813,406.07-92,562,012.78

Finding the Fourth Proportional to 170,878,459.29, 235,813,406.07 and 92,562,012.78

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Solution

The fourth proportional to 170,878,459.29, 235,813,406.07 and 92,562,012.78 is: 127,736,190.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,878,459.29 : 235,813,406.07 = 92,562,012.78 : x
  2. Step 2: Convert to fraction form
    170,878,459.29/235,813,406.07 = 92,562,012.78/x
  3. Step 3: Cross multiply
    170,878,459.29x = 235,813,406.07 × 92,562,012.78
  4. Step 4: Simplify right side
    170,878,459.29x = 21,827,363,506,346,668
  5. Step 5: Solve for x
    x = 21,827,363,506,346,668/170,878,459.29
  6. Step 6: Final answer
    x = 127,736,190.96

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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.