Home / 155,526,908.70-233,290,363.05-121,262,742.30

Finding the Fourth Proportional to 155,526,908.70, 233,290,363.05 and 121,262,742.30

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Solution

The fourth proportional to 155,526,908.70, 233,290,363.05 and 121,262,742.30 is: 181,894,113.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,526,908.70 : 233,290,363.05 = 121,262,742.30 : x
  2. Step 2: Convert to fraction form
    155,526,908.70/233,290,363.05 = 121,262,742.30/x
  3. Step 3: Cross multiply
    155,526,908.70x = 233,290,363.05 × 121,262,742.30
  4. Step 4: Simplify right side
    155,526,908.70x = 28,289,429,175,605,592
  5. Step 5: Solve for x
    x = 28,289,429,175,605,592/155,526,908.70
  6. Step 6: Final answer
    x = 181,894,113.45

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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.