Home / 193,550,686.80-290,326,030.20-129,053,432.40

Finding the Fourth Proportional to 193,550,686.80, 290,326,030.20 and 129,053,432.40

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Solution

The fourth proportional to 193,550,686.80, 290,326,030.20 and 129,053,432.40 is: 193,580,148.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,550,686.80 : 290,326,030.20 = 129,053,432.40 : x
  2. Step 2: Convert to fraction form
    193,550,686.80/290,326,030.20 = 129,053,432.40/x
  3. Step 3: Cross multiply
    193,550,686.80x = 290,326,030.20 × 129,053,432.40
  4. Step 4: Simplify right side
    193,550,686.80x = 37,467,570,712,376,056
  5. Step 5: Solve for x
    x = 37,467,570,712,376,056/193,550,686.80
  6. Step 6: Final answer
    x = 193,580,148.60

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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.