Home / 117,249,743.40-175,874,615.10-80,970,037.80

Finding the Fourth Proportional to 117,249,743.40, 175,874,615.10 and 80,970,037.80

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Solution

The fourth proportional to 117,249,743.40, 175,874,615.10 and 80,970,037.80 is: 121,455,056.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,249,743.40 : 175,874,615.10 = 80,970,037.80 : x
  2. Step 2: Convert to fraction form
    117,249,743.40/175,874,615.10 = 80,970,037.80/x
  3. Step 3: Cross multiply
    117,249,743.40x = 175,874,615.10 × 80,970,037.80
  4. Step 4: Simplify right side
    117,249,743.40x = 14,240,574,232,707,450
  5. Step 5: Solve for x
    x = 14,240,574,232,707,450/117,249,743.40
  6. Step 6: Final answer
    x = 121,455,056.70

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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.