Home / 119,488,110.21-179,264,061.05-42,818,888.61

Finding the Fourth Proportional to 119,488,110.21, 179,264,061.05 and 42,818,888.61

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Solution

The fourth proportional to 119,488,110.21, 179,264,061.05 and 42,818,888.61 is: 64,239,762.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,488,110.21 : 179,264,061.05 = 42,818,888.61 : x
  2. Step 2: Convert to fraction form
    119,488,110.21/179,264,061.05 = 42,818,888.61/x
  3. Step 3: Cross multiply
    119,488,110.21x = 179,264,061.05 × 42,818,888.61
  4. Step 4: Simplify right side
    119,488,110.21x = 7,675,887,861,662,095
  5. Step 5: Solve for x
    x = 7,675,887,861,662,095/119,488,110.21
  6. Step 6: Final answer
    x = 64,239,762.84

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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.