Home / 85,195,412.10-127,793,118.15-70,078,868.10

Finding the Fourth Proportional to 85,195,412.10, 127,793,118.15 and 70,078,868.10

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Solution

The fourth proportional to 85,195,412.10, 127,793,118.15 and 70,078,868.10 is: 105,118,302.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,195,412.10 : 127,793,118.15 = 70,078,868.10 : x
  2. Step 2: Convert to fraction form
    85,195,412.10/127,793,118.15 = 70,078,868.10/x
  3. Step 3: Cross multiply
    85,195,412.10x = 127,793,118.15 × 70,078,868.10
  4. Step 4: Simplify right side
    85,195,412.10x = 8,955,597,070,921,566
  5. Step 5: Solve for x
    x = 8,955,597,070,921,566/85,195,412.10
  6. Step 6: Final answer
    x = 105,118,302.15

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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.