Home / 139,408,030.20-209,161,811.70-58,653,751.80

Finding the Fourth Proportional to 139,408,030.20, 209,161,811.70 and 58,653,751.80

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Solution

The fourth proportional to 139,408,030.20, 209,161,811.70 and 58,653,751.80 is: 88,001,566.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,408,030.20 : 209,161,811.70 = 58,653,751.80 : x
  2. Step 2: Convert to fraction form
    139,408,030.20/209,161,811.70 = 58,653,751.80/x
  3. Step 3: Cross multiply
    139,408,030.20x = 209,161,811.70 × 58,653,751.80
  4. Step 4: Simplify right side
    139,408,030.20x = 12,268,124,989,490,134
  5. Step 5: Solve for x
    x = 12,268,124,989,490,134/139,408,030.20
  6. Step 6: Final answer
    x = 88,001,566.14

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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.