Home / 137,447,546,155.68-206,037,607,297.44-65,718,420,291.36

Finding the Fourth Proportional to 137,447,546,155.68, 206,037,607,297.44 and 65,718,420,291.36

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Solution

The fourth proportional to 137,447,546,155.68, 206,037,607,297.44 and 65,718,420,291.36 is: 98,513,698,140.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,447,546,155.68 : 206,037,607,297.44 = 65,718,420,291.36 : x
  2. Step 2: Convert to fraction form
    137,447,546,155.68/206,037,607,297.44 = 65,718,420,291.36/x
  3. Step 3: Cross multiply
    137,447,546,155.68x = 206,037,607,297.44 × 65,718,420,291.36
  4. Step 4: Simplify right side
    137,447,546,155.68x = 13,540,466,072,199,343,636,480
  5. Step 5: Solve for x
    x = 13,540,466,072,199,343,636,480/137,447,546,155.68
  6. Step 6: Final answer
    x = 98,513,698,140.98

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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.