Home / 261,669,429.83-392,266,577.52-130,551,808.11

Finding the Fourth Proportional to 261,669,429.83, 392,266,577.52 and 130,551,808.11

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Solution

The fourth proportional to 261,669,429.83, 392,266,577.52 and 130,551,808.11 is: 195,709,185.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,669,429.83 : 392,266,577.52 = 130,551,808.11 : x
  2. Step 2: Convert to fraction form
    261,669,429.83/392,266,577.52 = 130,551,808.11/x
  3. Step 3: Cross multiply
    261,669,429.83x = 392,266,577.52 × 130,551,808.11
  4. Step 4: Simplify right side
    261,669,429.83x = 51,211,110,956,357,480
  5. Step 5: Solve for x
    x = 51,211,110,956,357,480/261,669,429.83
  6. Step 6: Final answer
    x = 195,709,185.40

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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.