Home / 130,219,834.17-179,702,661.68-71,483,498.63

Finding the Fourth Proportional to 130,219,834.17, 179,702,661.68 and 71,483,498.63

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Solution

The fourth proportional to 130,219,834.17, 179,702,661.68 and 71,483,498.63 is: 98,646,838.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,219,834.17 : 179,702,661.68 = 71,483,498.63 : x
  2. Step 2: Convert to fraction form
    130,219,834.17/179,702,661.68 = 71,483,498.63/x
  3. Step 3: Cross multiply
    130,219,834.17x = 179,702,661.68 × 71,483,498.63
  4. Step 4: Simplify right side
    130,219,834.17x = 12,845,774,969,695,650
  5. Step 5: Solve for x
    x = 12,845,774,969,695,650/130,219,834.17
  6. Step 6: Final answer
    x = 98,646,838.64

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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.