Home / 74,734,085.20-112,101,127.80-45,886,680.40

Finding the Fourth Proportional to 74,734,085.20, 112,101,127.80 and 45,886,680.40

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Solution

The fourth proportional to 74,734,085.20, 112,101,127.80 and 45,886,680.40 is: 68,830,020.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,734,085.20 : 112,101,127.80 = 45,886,680.40 : x
  2. Step 2: Convert to fraction form
    74,734,085.20/112,101,127.80 = 45,886,680.40/x
  3. Step 3: Cross multiply
    74,734,085.20x = 112,101,127.80 × 45,886,680.40
  4. Step 4: Simplify right side
    74,734,085.20x = 5,143,948,623,838,155
  5. Step 5: Solve for x
    x = 5,143,948,623,838,155/74,734,085.20
  6. Step 6: Final answer
    x = 68,830,020.60

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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.