Home / 130,211,712.63-179,610,427.95-77,250,924.92

Finding the Fourth Proportional to 130,211,712.63, 179,610,427.95 and 77,250,924.92

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Solution

The fourth proportional to 130,211,712.63, 179,610,427.95 and 77,250,924.92 is: 106,557,785.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,211,712.63 : 179,610,427.95 = 77,250,924.92 : x
  2. Step 2: Convert to fraction form
    130,211,712.63/179,610,427.95 = 77,250,924.92/x
  3. Step 3: Cross multiply
    130,211,712.63x = 179,610,427.95 × 77,250,924.92
  4. Step 4: Simplify right side
    130,211,712.63x = 13,875,071,683,516,468
  5. Step 5: Solve for x
    x = 13,875,071,683,516,468/130,211,712.63
  6. Step 6: Final answer
    x = 106,557,785.04

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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.