Home / 176,424,549.21-243,430,200.59-103,071,519.45

Finding the Fourth Proportional to 176,424,549.21, 243,430,200.59 and 103,071,519.45

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Solution

The fourth proportional to 176,424,549.21, 243,430,200.59 and 103,071,519.45 is: 142,217,853.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,424,549.21 : 243,430,200.59 = 103,071,519.45 : x
  2. Step 2: Convert to fraction form
    176,424,549.21/243,430,200.59 = 103,071,519.45/x
  3. Step 3: Cross multiply
    176,424,549.21x = 243,430,200.59 × 103,071,519.45
  4. Step 4: Simplify right side
    176,424,549.21x = 25,090,720,654,314,232
  5. Step 5: Solve for x
    x = 25,090,720,654,314,232/176,424,549.21
  6. Step 6: Final answer
    x = 142,217,853.28

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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.