Home / 136,459,276.09-204,613,954.74-67,219,730.89

Finding the Fourth Proportional to 136,459,276.09, 204,613,954.74 and 67,219,730.89

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Solution

The fourth proportional to 136,459,276.09, 204,613,954.74 and 67,219,730.89 is: 100,792,671.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,459,276.09 : 204,613,954.74 = 67,219,730.89 : x
  2. Step 2: Convert to fraction form
    136,459,276.09/204,613,954.74 = 67,219,730.89/x
  3. Step 3: Cross multiply
    136,459,276.09x = 204,613,954.74 × 67,219,730.89
  4. Step 4: Simplify right side
    136,459,276.09x = 13,754,094,973,961,440
  5. Step 5: Solve for x
    x = 13,754,094,973,961,440/136,459,276.09
  6. Step 6: Final answer
    x = 100,792,671.40

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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.