Home / 142,578,561.34-213,833,598.45-65,827,847.26

Finding the Fourth Proportional to 142,578,561.34, 213,833,598.45 and 65,827,847.26

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Solution

The fourth proportional to 142,578,561.34, 213,833,598.45 and 65,827,847.26 is: 98,725,960.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,578,561.34 : 213,833,598.45 = 65,827,847.26 : x
  2. Step 2: Convert to fraction form
    142,578,561.34/213,833,598.45 = 65,827,847.26/x
  3. Step 3: Cross multiply
    142,578,561.34x = 213,833,598.45 × 65,827,847.26
  4. Step 4: Simplify right side
    142,578,561.34x = 14,076,205,457,822,772
  5. Step 5: Solve for x
    x = 14,076,205,457,822,772/142,578,561.34
  6. Step 6: Final answer
    x = 98,725,960.80

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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.