Home / 129,727,195.92-179,023,548.06-70,989,875.01

Finding the Fourth Proportional to 129,727,195.92, 179,023,548.06 and 70,989,875.01

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Solution

The fourth proportional to 129,727,195.92, 179,023,548.06 and 70,989,875.01 is: 97,966,037.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,727,195.92 : 179,023,548.06 = 70,989,875.01 : x
  2. Step 2: Convert to fraction form
    129,727,195.92/179,023,548.06 = 70,989,875.01/x
  3. Step 3: Cross multiply
    129,727,195.92x = 179,023,548.06 × 70,989,875.01
  4. Step 4: Simplify right side
    129,727,195.92x = 12,708,859,300,626,130
  5. Step 5: Solve for x
    x = 12,708,859,300,626,130/129,727,195.92
  6. Step 6: Final answer
    x = 97,966,037.19

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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.