Home / 142,717,364.10-214,076,046.15-99,670,643.10

Finding the Fourth Proportional to 142,717,364.10, 214,076,046.15 and 99,670,643.10

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Solution

The fourth proportional to 142,717,364.10, 214,076,046.15 and 99,670,643.10 is: 149,505,964.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,717,364.10 : 214,076,046.15 = 99,670,643.10 : x
  2. Step 2: Convert to fraction form
    142,717,364.10/214,076,046.15 = 99,670,643.10/x
  3. Step 3: Cross multiply
    142,717,364.10x = 214,076,046.15 × 99,670,643.10
  4. Step 4: Simplify right side
    142,717,364.10x = 21,337,097,192,075,780
  5. Step 5: Solve for x
    x = 21,337,097,192,075,780/142,717,364.10
  6. Step 6: Final answer
    x = 149,505,964.65

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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.