Home / 125,960,731.20-188,941,096.80-53,259,602.40

Finding the Fourth Proportional to 125,960,731.20, 188,941,096.80 and 53,259,602.40

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Solution

The fourth proportional to 125,960,731.20, 188,941,096.80 and 53,259,602.40 is: 79,889,403.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,960,731.20 : 188,941,096.80 = 53,259,602.40 : x
  2. Step 2: Convert to fraction form
    125,960,731.20/188,941,096.80 = 53,259,602.40/x
  3. Step 3: Cross multiply
    125,960,731.20x = 188,941,096.80 × 53,259,602.40
  4. Step 4: Simplify right side
    125,960,731.20x = 10,062,927,692,587,912
  5. Step 5: Solve for x
    x = 10,062,927,692,587,912/125,960,731.20
  6. Step 6: Final answer
    x = 79,889,403.60

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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.