Home / 145,222,287.84-200,406,754.08-80,032,191.84

Finding the Fourth Proportional to 145,222,287.84, 200,406,754.08 and 80,032,191.84

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Solution

The fourth proportional to 145,222,287.84, 200,406,754.08 and 80,032,191.84 is: 110,444,423.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,222,287.84 : 200,406,754.08 = 80,032,191.84 : x
  2. Step 2: Convert to fraction form
    145,222,287.84/200,406,754.08 = 80,032,191.84/x
  3. Step 3: Cross multiply
    145,222,287.84x = 200,406,754.08 × 80,032,191.84
  4. Step 4: Simplify right side
    145,222,287.84x = 16,038,991,788,562,264
  5. Step 5: Solve for x
    x = 16,038,991,788,562,264/145,222,287.84
  6. Step 6: Final answer
    x = 110,444,423.01

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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.