Home / 142,519,384.80-213,779,077.20-122,112,050.40

Finding the Fourth Proportional to 142,519,384.80, 213,779,077.20 and 122,112,050.40

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Solution

The fourth proportional to 142,519,384.80, 213,779,077.20 and 122,112,050.40 is: 183,168,075.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,519,384.80 : 213,779,077.20 = 122,112,050.40 : x
  2. Step 2: Convert to fraction form
    142,519,384.80/213,779,077.20 = 122,112,050.40/x
  3. Step 3: Cross multiply
    142,519,384.80x = 213,779,077.20 × 122,112,050.40
  4. Step 4: Simplify right side
    142,519,384.80x = 26,105,001,449,511,892
  5. Step 5: Solve for x
    x = 26,105,001,449,511,892/142,519,384.80
  6. Step 6: Final answer
    x = 183,168,075.60

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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.