Home / 201,845,651.55-278,547,110.87-109,026,159.39

Finding the Fourth Proportional to 201,845,651.55, 278,547,110.87 and 109,026,159.39

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Solution

The fourth proportional to 201,845,651.55, 278,547,110.87 and 109,026,159.39 is: 150,456,160.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,845,651.55 : 278,547,110.87 = 109,026,159.39 : x
  2. Step 2: Convert to fraction form
    201,845,651.55/278,547,110.87 = 109,026,159.39/x
  3. Step 3: Cross multiply
    201,845,651.55x = 278,547,110.87 × 109,026,159.39
  4. Step 4: Simplify right side
    201,845,651.55x = 30,368,921,706,791,492
  5. Step 5: Solve for x
    x = 30,368,921,706,791,492/201,845,651.55
  6. Step 6: Final answer
    x = 150,456,160.31

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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.