Home / 312,545,779.52-468,885,862.56-105,304,784

Finding the Fourth Proportional to 312,545,779.52, 468,885,862.56 and 105,304,784

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Solution

The fourth proportional to 312,545,779.52, 468,885,862.56 and 105,304,784 is: 157,979,815.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,545,779.52 : 468,885,862.56 = 105,304,784 : x
  2. Step 2: Convert to fraction form
    312,545,779.52/468,885,862.56 = 105,304,784/x
  3. Step 3: Cross multiply
    312,545,779.52x = 468,885,862.56 × 105,304,784
  4. Step 4: Simplify right side
    312,545,779.52x = 49,375,924,477,534,488
  5. Step 5: Solve for x
    x = 49,375,924,477,534,488/312,545,779.52
  6. Step 6: Final answer
    x = 157,979,815.16

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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.