Home / 142,578,579.84-213,833,626.08-65,827,865.76

Finding the Fourth Proportional to 142,578,579.84, 213,833,626.08 and 65,827,865.76

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Solution

The fourth proportional to 142,578,579.84, 213,833,626.08 and 65,827,865.76 is: 98,725,988.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,578,579.84 : 213,833,626.08 = 65,827,865.76 : x
  2. Step 2: Convert to fraction form
    142,578,579.84/213,833,626.08 = 65,827,865.76/x
  3. Step 3: Cross multiply
    142,578,579.84x = 213,833,626.08 × 65,827,865.76
  4. Step 4: Simplify right side
    142,578,579.84x = 14,076,211,232,568,276
  5. Step 5: Solve for x
    x = 14,076,211,232,568,276/142,578,579.84
  6. Step 6: Final answer
    x = 98,725,988.49

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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.