Home / 70,333,283.49-105,490,348.21-18,513,546.45

Finding the Fourth Proportional to 70,333,283.49, 105,490,348.21 and 18,513,546.45

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Solution

The fourth proportional to 70,333,283.49, 105,490,348.21 and 18,513,546.45 is: 27,767,798.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,333,283.49 : 105,490,348.21 = 18,513,546.45 : x
  2. Step 2: Convert to fraction form
    70,333,283.49/105,490,348.21 = 18,513,546.45/x
  3. Step 3: Cross multiply
    70,333,283.49x = 105,490,348.21 × 18,513,546.45
  4. Step 4: Simplify right side
    70,333,283.49x = 1,953,000,461,612,509.25
  5. Step 5: Solve for x
    x = 1,953,000,461,612,509.25/70,333,283.49
  6. Step 6: Final answer
    x = 27,767,798.75

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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.