Home / 283,458,492.60-391,172,716.54-153,078,300.60

Finding the Fourth Proportional to 283,458,492.60, 391,172,716.54 and 153,078,300.60

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Solution

The fourth proportional to 283,458,492.60, 391,172,716.54 and 153,078,300.60 is: 211,248,053.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,458,492.60 : 391,172,716.54 = 153,078,300.60 : x
  2. Step 2: Convert to fraction form
    283,458,492.60/391,172,716.54 = 153,078,300.60/x
  3. Step 3: Cross multiply
    283,458,492.60x = 391,172,716.54 × 153,078,300.60
  4. Step 4: Simplify right side
    283,458,492.60x = 59,880,054,689,028,712
  5. Step 5: Solve for x
    x = 59,880,054,689,028,712/283,458,492.60
  6. Step 6: Final answer
    x = 211,248,053.07

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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.