Home / 100,010,256,508.92-138,010,583,051.83-56,605,609,461.65

Finding the Fourth Proportional to 100,010,256,508.92, 138,010,583,051.83 and 56,605,609,461.65

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Solution

The fourth proportional to 100,010,256,508.92, 138,010,583,051.83 and 56,605,609,461.65 is: 78,113,719,917.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,010,256,508.92 : 138,010,583,051.83 = 56,605,609,461.65 : x
  2. Step 2: Convert to fraction form
    100,010,256,508.92/138,010,583,051.83 = 56,605,609,461.65/x
  3. Step 3: Cross multiply
    100,010,256,508.92x = 138,010,583,051.83 × 56,605,609,461.65
  4. Step 4: Simplify right side
    100,010,256,508.92x = 7,812,173,165,806,777,008,128
  5. Step 5: Solve for x
    x = 7,812,173,165,806,777,008,128/100,010,256,508.92
  6. Step 6: Final answer
    x = 78,113,719,917.42

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1.5x scale

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.