Home / 45,649,430.60-68,312,508.67-28,385,761.07

Finding the Fourth Proportional to 45,649,430.60, 68,312,508.67 and 28,385,761.07

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Solution

The fourth proportional to 45,649,430.60, 68,312,508.67 and 28,385,761.07 is: 42,478,132.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,649,430.60 : 68,312,508.67 = 28,385,761.07 : x
  2. Step 2: Convert to fraction form
    45,649,430.60/68,312,508.67 = 28,385,761.07/x
  3. Step 3: Cross multiply
    45,649,430.60x = 68,312,508.67 × 28,385,761.07
  4. Step 4: Simplify right side
    45,649,430.60x = 1,939,102,549,405,187
  5. Step 5: Solve for x
    x = 1,939,102,549,405,187/45,649,430.60
  6. Step 6: Final answer
    x = 42,478,132.24

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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.