Home / 145,222,315.84-200,406,792.80-80,032,219.84

Finding the Fourth Proportional to 145,222,315.84, 200,406,792.80 and 80,032,219.84

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Solution

The fourth proportional to 145,222,315.84, 200,406,792.80 and 80,032,219.84 is: 110,444,461.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,222,315.84 : 200,406,792.80 = 80,032,219.84 : x
  2. Step 2: Convert to fraction form
    145,222,315.84/200,406,792.80 = 80,032,219.84/x
  3. Step 3: Cross multiply
    145,222,315.84x = 200,406,792.80 × 80,032,219.84
  4. Step 4: Simplify right side
    145,222,315.84x = 16,039,000,498,798,930
  5. Step 5: Solve for x
    x = 16,039,000,498,798,930/145,222,315.84
  6. Step 6: Final answer
    x = 110,444,461.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.