Home / 137,799,907.52-190,163,767.88-75,920,246.07

Finding the Fourth Proportional to 137,799,907.52, 190,163,767.88 and 75,920,246.07

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Solution

The fourth proportional to 137,799,907.52, 190,163,767.88 and 75,920,246.07 is: 104,769,882.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,799,907.52 : 190,163,767.88 = 75,920,246.07 : x
  2. Step 2: Convert to fraction form
    137,799,907.52/190,163,767.88 = 75,920,246.07/x
  3. Step 3: Cross multiply
    137,799,907.52x = 190,163,767.88 × 75,920,246.07
  4. Step 4: Simplify right side
    137,799,907.52x = 14,437,280,050,668,360
  5. Step 5: Solve for x
    x = 14,437,280,050,668,360/137,799,907.52
  6. Step 6: Final answer
    x = 104,769,882.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.