Home / 116,429,043.20-174,643,564.80-103,440,012.80

Finding the Fourth Proportional to 116,429,043.20, 174,643,564.80 and 103,440,012.80

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Solution

The fourth proportional to 116,429,043.20, 174,643,564.80 and 103,440,012.80 is: 155,160,019.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,429,043.20 : 174,643,564.80 = 103,440,012.80 : x
  2. Step 2: Convert to fraction form
    116,429,043.20/174,643,564.80 = 103,440,012.80/x
  3. Step 3: Cross multiply
    116,429,043.20x = 174,643,564.80 × 103,440,012.80
  4. Step 4: Simplify right side
    116,429,043.20x = 18,065,132,578,349,632
  5. Step 5: Solve for x
    x = 18,065,132,578,349,632/116,429,043.20
  6. Step 6: Final answer
    x = 155,160,019.20

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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.