Home / 292,032,421.60-438,048,632.40-177,146,687.20

Finding the Fourth Proportional to 292,032,421.60, 438,048,632.40 and 177,146,687.20

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Solution

The fourth proportional to 292,032,421.60, 438,048,632.40 and 177,146,687.20 is: 265,720,030.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,032,421.60 : 438,048,632.40 = 177,146,687.20 : x
  2. Step 2: Convert to fraction form
    292,032,421.60/438,048,632.40 = 177,146,687.20/x
  3. Step 3: Cross multiply
    292,032,421.60x = 438,048,632.40 × 177,146,687.20
  4. Step 4: Simplify right side
    292,032,421.60x = 77,598,864,062,150,576
  5. Step 5: Solve for x
    x = 77,598,864,062,150,576/292,032,421.60
  6. Step 6: Final answer
    x = 265,720,030.80

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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.