Home / 129,024,020.40-193,536,030.60-57,220,436.40

Finding the Fourth Proportional to 129,024,020.40, 193,536,030.60 and 57,220,436.40

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Solution

The fourth proportional to 129,024,020.40, 193,536,030.60 and 57,220,436.40 is: 85,830,654.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,024,020.40 : 193,536,030.60 = 57,220,436.40 : x
  2. Step 2: Convert to fraction form
    129,024,020.40/193,536,030.60 = 57,220,436.40/x
  3. Step 3: Cross multiply
    129,024,020.40x = 193,536,030.60 × 57,220,436.40
  4. Step 4: Simplify right side
    129,024,020.40x = 11,074,216,130,055,754
  5. Step 5: Solve for x
    x = 11,074,216,130,055,754/129,024,020.40
  6. Step 6: Final answer
    x = 85,830,654.60

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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.