Home / 130,849,567.74-180,540,690.35-74,321,738.91

Finding the Fourth Proportional to 130,849,567.74, 180,540,690.35 and 74,321,738.91

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Solution

The fourth proportional to 130,849,567.74, 180,540,690.35 and 74,321,738.91 is: 102,545,986.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,849,567.74 : 180,540,690.35 = 74,321,738.91 : x
  2. Step 2: Convert to fraction form
    130,849,567.74/180,540,690.35 = 74,321,738.91/x
  3. Step 3: Cross multiply
    130,849,567.74x = 180,540,690.35 × 74,321,738.91
  4. Step 4: Simplify right side
    130,849,567.74x = 13,418,098,050,452,248
  5. Step 5: Solve for x
    x = 13,418,098,050,452,248/130,849,567.74
  6. Step 6: Final answer
    x = 102,545,986.83

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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.