Home / 102,478,790.52-153,594,683.68-47,070,165.40

Finding the Fourth Proportional to 102,478,790.52, 153,594,683.68 and 47,070,165.40

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Solution

The fourth proportional to 102,478,790.52, 153,594,683.68 and 47,070,165.40 is: 70,548,521.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,478,790.52 : 153,594,683.68 = 47,070,165.40 : x
  2. Step 2: Convert to fraction form
    102,478,790.52/153,594,683.68 = 47,070,165.40/x
  3. Step 3: Cross multiply
    102,478,790.52x = 153,594,683.68 × 47,070,165.40
  4. Step 4: Simplify right side
    102,478,790.52x = 7,229,727,165,828,610
  5. Step 5: Solve for x
    x = 7,229,727,165,828,610/102,478,790.52
  6. Step 6: Final answer
    x = 70,548,521.59

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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.