Home / 117,249,783.40-175,874,675.10-80,970,077.80

Finding the Fourth Proportional to 117,249,783.40, 175,874,675.10 and 80,970,077.80

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Solution

The fourth proportional to 117,249,783.40, 175,874,675.10 and 80,970,077.80 is: 121,455,116.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,249,783.40 : 175,874,675.10 = 80,970,077.80 : x
  2. Step 2: Convert to fraction form
    117,249,783.40/175,874,675.10 = 80,970,077.80/x
  3. Step 3: Cross multiply
    117,249,783.40x = 175,874,675.10 × 80,970,077.80
  4. Step 4: Simplify right side
    117,249,783.40x = 14,240,586,125,896,722
  5. Step 5: Solve for x
    x = 14,240,586,125,896,722/117,249,783.40
  6. Step 6: Final answer
    x = 121,455,116.70

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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.