Home / 113,314,485.40-169,971,728.10-103,866,645.40

Finding the Fourth Proportional to 113,314,485.40, 169,971,728.10 and 103,866,645.40

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Solution

The fourth proportional to 113,314,485.40, 169,971,728.10 and 103,866,645.40 is: 155,799,968.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,314,485.40 : 169,971,728.10 = 103,866,645.40 : x
  2. Step 2: Convert to fraction form
    113,314,485.40/169,971,728.10 = 103,866,645.40/x
  3. Step 3: Cross multiply
    113,314,485.40x = 169,971,728.10 × 103,866,645.40
  4. Step 4: Simplify right side
    113,314,485.40x = 17,654,393,210,587,916
  5. Step 5: Solve for x
    x = 17,654,393,210,587,916/113,314,485.40
  6. Step 6: Final answer
    x = 155,799,968.10

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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.