Home / 328,101,323.60-492,151,985.40-85,764,227.60

Finding the Fourth Proportional to 328,101,323.60, 492,151,985.40 and 85,764,227.60

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Solution

The fourth proportional to 328,101,323.60, 492,151,985.40 and 85,764,227.60 is: 128,646,341.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,101,323.60 : 492,151,985.40 = 85,764,227.60 : x
  2. Step 2: Convert to fraction form
    328,101,323.60/492,151,985.40 = 85,764,227.60/x
  3. Step 3: Cross multiply
    328,101,323.60x = 492,151,985.40 × 85,764,227.60
  4. Step 4: Simplify right side
    328,101,323.60x = 42,209,034,889,637,472
  5. Step 5: Solve for x
    x = 42,209,034,889,637,472/328,101,323.60
  6. Step 6: Final answer
    x = 128,646,341.40

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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.