Home / 129,749,085.01-179,054,211.85-70,210,381.65

Finding the Fourth Proportional to 129,749,085.01, 179,054,211.85 and 70,210,381.65

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Solution

The fourth proportional to 129,749,085.01, 179,054,211.85 and 70,210,381.65 is: 96,890,583.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,749,085.01 : 179,054,211.85 = 70,210,381.65 : x
  2. Step 2: Convert to fraction form
    129,749,085.01/179,054,211.85 = 70,210,381.65/x
  3. Step 3: Cross multiply
    129,749,085.01x = 179,054,211.85 × 70,210,381.65
  4. Step 4: Simplify right side
    129,749,085.01x = 12,571,464,549,630,694
  5. Step 5: Solve for x
    x = 12,571,464,549,630,694/129,749,085.01
  6. Step 6: Final answer
    x = 96,890,583.46

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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.