Home / 101,636,615.61-140,259,417.03-55,226,869.38

Finding the Fourth Proportional to 101,636,615.61, 140,259,417.03 and 55,226,869.38

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Solution

The fourth proportional to 101,636,615.61, 140,259,417.03 and 55,226,869.38 is: 76,213,561.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,636,615.61 : 140,259,417.03 = 55,226,869.38 : x
  2. Step 2: Convert to fraction form
    101,636,615.61/140,259,417.03 = 55,226,869.38/x
  3. Step 3: Cross multiply
    101,636,615.61x = 140,259,417.03 × 55,226,869.38
  4. Step 4: Simplify right side
    101,636,615.61x = 7,746,088,503,630,758
  5. Step 5: Solve for x
    x = 7,746,088,503,630,758/101,636,615.61
  6. Step 6: Final answer
    x = 76,213,561.98

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1.5x scale

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.