Home / 156,668,098.32-216,206,842.26-86,102,428.08

Finding the Fourth Proportional to 156,668,098.32, 216,206,842.26 and 86,102,428.08

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Solution

The fourth proportional to 156,668,098.32, 216,206,842.26 and 86,102,428.08 is: 118,824,025.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,668,098.32 : 216,206,842.26 = 86,102,428.08 : x
  2. Step 2: Convert to fraction form
    156,668,098.32/216,206,842.26 = 86,102,428.08/x
  3. Step 3: Cross multiply
    156,668,098.32x = 216,206,842.26 × 86,102,428.08
  4. Step 4: Simplify right side
    156,668,098.32x = 18,615,934,086,095,552
  5. Step 5: Solve for x
    x = 18,615,934,086,095,552/156,668,098.32
  6. Step 6: Final answer
    x = 118,824,025.35

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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.