Home / 290,227,075.11-435,527,904.60-105,979,124.88

Finding the Fourth Proportional to 290,227,075.11, 435,527,904.60 and 105,979,124.88

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Solution

The fourth proportional to 290,227,075.11, 435,527,904.60 and 105,979,124.88 is: 159,037,078.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,227,075.11 : 435,527,904.60 = 105,979,124.88 : x
  2. Step 2: Convert to fraction form
    290,227,075.11/435,527,904.60 = 105,979,124.88/x
  3. Step 3: Cross multiply
    290,227,075.11x = 435,527,904.60 × 105,979,124.88
  4. Step 4: Simplify right side
    290,227,075.11x = 46,156,866,190,328,128
  5. Step 5: Solve for x
    x = 46,156,866,190,328,128/290,227,075.11
  6. Step 6: Final answer
    x = 159,037,078.72

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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.