Home / 151,045,265,271.20-208,443,312,715.92-85,939,690,988.10

Finding the Fourth Proportional to 151,045,265,271.20, 208,443,312,715.92 and 85,939,690,988.10

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Solution

The fourth proportional to 151,045,265,271.20, 208,443,312,715.92 and 85,939,690,988.10 is: 118,597,255,274.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,045,265,271.20 : 208,443,312,715.92 = 85,939,690,988.10 : x
  2. Step 2: Convert to fraction form
    151,045,265,271.20/208,443,312,715.92 = 85,939,690,988.10/x
  3. Step 3: Cross multiply
    151,045,265,271.20x = 208,443,312,715.92 × 85,939,690,988.10
  4. Step 4: Simplify right side
    151,045,265,271.20x = 17,913,553,883,342,061,961,216
  5. Step 5: Solve for x
    x = 17,913,553,883,342,061,961,216/151,045,265,271.20
  6. Step 6: Final answer
    x = 118,597,255,274.30

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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.