Home / 107,106,689.40-147,810,349.08-60,695,400.12

Finding the Fourth Proportional to 107,106,689.40, 147,810,349.08 and 60,695,400.12

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Solution

The fourth proportional to 107,106,689.40, 147,810,349.08 and 60,695,400.12 is: 83,761,418.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,106,689.40 : 147,810,349.08 = 60,695,400.12 : x
  2. Step 2: Convert to fraction form
    107,106,689.40/147,810,349.08 = 60,695,400.12/x
  3. Step 3: Cross multiply
    107,106,689.40x = 147,810,349.08 × 60,695,400.12
  4. Step 4: Simplify right side
    107,106,689.40x = 8,971,408,279,287,474
  5. Step 5: Solve for x
    x = 8,971,408,279,287,474/107,106,689.40
  6. Step 6: Final answer
    x = 83,761,418.91

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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.