Home / 145,521,777.60-218,282,666.40-132,129,464.40

Finding the Fourth Proportional to 145,521,777.60, 218,282,666.40 and 132,129,464.40

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Solution

The fourth proportional to 145,521,777.60, 218,282,666.40 and 132,129,464.40 is: 198,194,196.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,521,777.60 : 218,282,666.40 = 132,129,464.40 : x
  2. Step 2: Convert to fraction form
    145,521,777.60/218,282,666.40 = 132,129,464.40/x
  3. Step 3: Cross multiply
    145,521,777.60x = 218,282,666.40 × 132,129,464.40
  4. Step 4: Simplify right side
    145,521,777.60x = 28,841,571,799,235,880
  5. Step 5: Solve for x
    x = 28,841,571,799,235,880/145,521,777.60
  6. Step 6: Final answer
    x = 198,194,196.60

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1.5x scale

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.