Home / 180,263,030.79-270,386,420.80-75,175,100.13

Finding the Fourth Proportional to 180,263,030.79, 270,386,420.80 and 75,175,100.13

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Solution

The fourth proportional to 180,263,030.79, 270,386,420.80 and 75,175,100.13 is: 112,759,261.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,263,030.79 : 270,386,420.80 = 75,175,100.13 : x
  2. Step 2: Convert to fraction form
    180,263,030.79/270,386,420.80 = 75,175,100.13/x
  3. Step 3: Cross multiply
    180,263,030.79x = 270,386,420.80 × 75,175,100.13
  4. Step 4: Simplify right side
    180,263,030.79x = 20,326,326,257,432,316
  5. Step 5: Solve for x
    x = 20,326,326,257,432,316/180,263,030.79
  6. Step 6: Final answer
    x = 112,759,261.67

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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.