Home / 124,493,133.80-186,772,359.90-47,818,663.40

Finding the Fourth Proportional to 124,493,133.80, 186,772,359.90 and 47,818,663.40

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Solution

The fourth proportional to 124,493,133.80, 186,772,359.90 and 47,818,663.40 is: 71,740,539.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,493,133.80 : 186,772,359.90 = 47,818,663.40 : x
  2. Step 2: Convert to fraction form
    124,493,133.80/186,772,359.90 = 47,818,663.40/x
  3. Step 3: Cross multiply
    124,493,133.80x = 186,772,359.90 × 47,818,663.40
  4. Step 4: Simplify right side
    124,493,133.80x = 8,931,204,610,481,758
  5. Step 5: Solve for x
    x = 8,931,204,610,481,758/124,493,133.80
  6. Step 6: Final answer
    x = 71,740,539.72

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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.