Home / 138,931,567.62-208,429,094.79-48,055,079.94

Finding the Fourth Proportional to 138,931,567.62, 208,429,094.79 and 48,055,079.94

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Solution

The fourth proportional to 138,931,567.62, 208,429,094.79 and 48,055,079.94 is: 72,093,599.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,931,567.62 : 208,429,094.79 = 48,055,079.94 : x
  2. Step 2: Convert to fraction form
    138,931,567.62/208,429,094.79 = 48,055,079.94/x
  3. Step 3: Cross multiply
    138,931,567.62x = 208,429,094.79 × 48,055,079.94
  4. Step 4: Simplify right side
    138,931,567.62x = 10,016,076,811,955,286
  5. Step 5: Solve for x
    x = 10,016,076,811,955,286/138,931,567.62
  6. Step 6: Final answer
    x = 72,093,599.63

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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.