Home / 201,554,101.80-278,153,775.96-113,478,363

Finding the Fourth Proportional to 201,554,101.80, 278,153,775.96 and 113,478,363

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Solution

The fourth proportional to 201,554,101.80, 278,153,775.96 and 113,478,363 is: 156,605,273.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,554,101.80 : 278,153,775.96 = 113,478,363 : x
  2. Step 2: Convert to fraction form
    201,554,101.80/278,153,775.96 = 113,478,363/x
  3. Step 3: Cross multiply
    201,554,101.80x = 278,153,775.96 × 113,478,363
  4. Step 4: Simplify right side
    201,554,101.80x = 31,564,435,158,209,552
  5. Step 5: Solve for x
    x = 31,564,435,158,209,552/201,554,101.80
  6. Step 6: Final answer
    x = 156,605,273.11

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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.