Home / 72,575,999.40-108,863,999.10-70,896,383.40

Finding the Fourth Proportional to 72,575,999.40, 108,863,999.10 and 70,896,383.40

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Solution

The fourth proportional to 72,575,999.40, 108,863,999.10 and 70,896,383.40 is: 106,344,575.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,575,999.40 : 108,863,999.10 = 70,896,383.40 : x
  2. Step 2: Convert to fraction form
    72,575,999.40/108,863,999.10 = 70,896,383.40/x
  3. Step 3: Cross multiply
    72,575,999.40x = 108,863,999.10 × 70,896,383.40
  4. Step 4: Simplify right side
    72,575,999.40x = 7,718,063,818,650,855
  5. Step 5: Solve for x
    x = 7,718,063,818,650,855/72,575,999.40
  6. Step 6: Final answer
    x = 106,344,575.10

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1.5x scale

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.