Home / 189,360,410.40-284,049,946.80-98,661,146.40

Finding the Fourth Proportional to 189,360,410.40, 284,049,946.80 and 98,661,146.40

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Solution

The fourth proportional to 189,360,410.40, 284,049,946.80 and 98,661,146.40 is: 147,996,581.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,360,410.40 : 284,049,946.80 = 98,661,146.40 : x
  2. Step 2: Convert to fraction form
    189,360,410.40/284,049,946.80 = 98,661,146.40/x
  3. Step 3: Cross multiply
    189,360,410.40x = 284,049,946.80 × 98,661,146.40
  4. Step 4: Simplify right side
    189,360,410.40x = 28,024,693,386,147,016
  5. Step 5: Solve for x
    x = 28,024,693,386,147,016/189,360,410.40
  6. Step 6: Final answer
    x = 147,996,581.37

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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.