Home / 66,244,275.20-99,366,412.80-52,426,809.20

Finding the Fourth Proportional to 66,244,275.20, 99,366,412.80 and 52,426,809.20

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Solution

The fourth proportional to 66,244,275.20, 99,366,412.80 and 52,426,809.20 is: 78,640,213.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,244,275.20 : 99,366,412.80 = 52,426,809.20 : x
  2. Step 2: Convert to fraction form
    66,244,275.20/99,366,412.80 = 52,426,809.20/x
  3. Step 3: Cross multiply
    66,244,275.20x = 99,366,412.80 × 52,426,809.20
  4. Step 4: Simplify right side
    66,244,275.20x = 5,209,463,964,754,038
  5. Step 5: Solve for x
    x = 5,209,463,964,754,038/66,244,275.20
  6. Step 6: Final answer
    x = 78,640,213.80

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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.