Home / 129,749,417.76-179,054,669.52-70,210,714.08

Finding the Fourth Proportional to 129,749,417.76, 179,054,669.52 and 70,210,714.08

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Solution

The fourth proportional to 129,749,417.76, 179,054,669.52 and 70,210,714.08 is: 96,891,041.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,749,417.76 : 179,054,669.52 = 70,210,714.08 : x
  2. Step 2: Convert to fraction form
    129,749,417.76/179,054,669.52 = 70,210,714.08/x
  3. Step 3: Cross multiply
    129,749,417.76x = 179,054,669.52 × 70,210,714.08
  4. Step 4: Simplify right side
    129,749,417.76x = 12,571,556,206,357,612
  5. Step 5: Solve for x
    x = 12,571,556,206,357,612/129,749,417.76
  6. Step 6: Final answer
    x = 96,891,041.39

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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.