Home / 142,151,036.24-213,239,567.02-39,914,384.96

Finding the Fourth Proportional to 142,151,036.24, 213,239,567.02 and 39,914,384.96

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Solution

The fourth proportional to 142,151,036.24, 213,239,567.02 and 39,914,384.96 is: 59,875,231.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,151,036.24 : 213,239,567.02 = 39,914,384.96 : x
  2. Step 2: Convert to fraction form
    142,151,036.24/213,239,567.02 = 39,914,384.96/x
  3. Step 3: Cross multiply
    142,151,036.24x = 213,239,567.02 × 39,914,384.96
  4. Step 4: Simplify right side
    142,151,036.24x = 8,511,326,166,740,001
  5. Step 5: Solve for x
    x = 8,511,326,166,740,001/142,151,036.24
  6. Step 6: Final answer
    x = 59,875,231.25

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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.