Home / 153,938,501.20-230,585,825.40-72,127,205.20

Finding the Fourth Proportional to 153,938,501.20, 230,585,825.40 and 72,127,205.20

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Solution

The fourth proportional to 153,938,501.20, 230,585,825.40 and 72,127,205.20 is: 108,039,970.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,938,501.20 : 230,585,825.40 = 72,127,205.20 : x
  2. Step 2: Convert to fraction form
    153,938,501.20/230,585,825.40 = 72,127,205.20/x
  3. Step 3: Cross multiply
    153,938,501.20x = 230,585,825.40 × 72,127,205.20
  4. Step 4: Simplify right side
    153,938,501.20x = 16,631,511,144,837,174
  5. Step 5: Solve for x
    x = 16,631,511,144,837,174/153,938,501.20
  6. Step 6: Final answer
    x = 108,039,970.61

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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.