Home / 291,315,429.90-437,141,106.45-109,692,953.10

Finding the Fourth Proportional to 291,315,429.90, 437,141,106.45 and 109,692,953.10

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Solution

The fourth proportional to 291,315,429.90, 437,141,106.45 and 109,692,953.10 is: 164,602,674.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,315,429.90 : 437,141,106.45 = 109,692,953.10 : x
  2. Step 2: Convert to fraction form
    291,315,429.90/437,141,106.45 = 109,692,953.10/x
  3. Step 3: Cross multiply
    291,315,429.90x = 437,141,106.45 × 109,692,953.10
  4. Step 4: Simplify right side
    291,315,429.90x = 47,951,298,887,901,952
  5. Step 5: Solve for x
    x = 47,951,298,887,901,952/291,315,429.90
  6. Step 6: Final answer
    x = 164,602,674.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.