Home / 157,213,317.80-235,642,829.70-75,371,403.80

Finding the Fourth Proportional to 157,213,317.80, 235,642,829.70 and 75,371,403.80

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Solution

The fourth proportional to 157,213,317.80, 235,642,829.70 and 75,371,403.80 is: 112,972,177.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,213,317.80 : 235,642,829.70 = 75,371,403.80 : x
  2. Step 2: Convert to fraction form
    157,213,317.80/235,642,829.70 = 75,371,403.80/x
  3. Step 3: Cross multiply
    157,213,317.80x = 235,642,829.70 × 75,371,403.80
  4. Step 4: Simplify right side
    157,213,317.80x = 17,760,730,869,893,332
  5. Step 5: Solve for x
    x = 17,760,730,869,893,332/157,213,317.80
  6. Step 6: Final answer
    x = 112,972,177.67

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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.