Home / 153,450,353.49-230,020,434.27-66,068,868.12

Finding the Fourth Proportional to 153,450,353.49, 230,020,434.27 and 66,068,868.12

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Solution

The fourth proportional to 153,450,353.49, 230,020,434.27 and 66,068,868.12 is: 99,036,524.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,450,353.49 : 230,020,434.27 = 66,068,868.12 : x
  2. Step 2: Convert to fraction form
    153,450,353.49/230,020,434.27 = 66,068,868.12/x
  3. Step 3: Cross multiply
    153,450,353.49x = 230,020,434.27 × 66,068,868.12
  4. Step 4: Simplify right side
    153,450,353.49x = 15,197,189,736,689,758
  5. Step 5: Solve for x
    x = 15,197,189,736,689,758/153,450,353.49
  6. Step 6: Final answer
    x = 99,036,524.79

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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.