Home / 130,146,116.62-179,601,981.98-70,607,409.64

Finding the Fourth Proportional to 130,146,116.62, 179,601,981.98 and 70,607,409.64

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Solution

The fourth proportional to 130,146,116.62, 179,601,981.98 and 70,607,409.64 is: 97,438,410.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,146,116.62 : 179,601,981.98 = 70,607,409.64 : x
  2. Step 2: Convert to fraction form
    130,146,116.62/179,601,981.98 = 70,607,409.64/x
  3. Step 3: Cross multiply
    130,146,116.62x = 179,601,981.98 × 70,607,409.64
  4. Step 4: Simplify right side
    130,146,116.62x = 12,681,230,713,817,758
  5. Step 5: Solve for x
    x = 12,681,230,713,817,758/130,146,116.62
  6. Step 6: Final answer
    x = 97,438,410.33

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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.