Home / 65,160,814.80-97,752,281.40-19,722,248.40

Finding the Fourth Proportional to 65,160,814.80, 97,752,281.40 and 19,722,248.40

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Solution

The fourth proportional to 65,160,814.80, 97,752,281.40 and 19,722,248.40 is: 29,586,719.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,160,814.80 : 97,752,281.40 = 19,722,248.40 : x
  2. Step 2: Convert to fraction form
    65,160,814.80/97,752,281.40 = 19,722,248.40/x
  3. Step 3: Cross multiply
    65,160,814.80x = 97,752,281.40 × 19,722,248.40
  4. Step 4: Simplify right side
    65,160,814.80x = 1,927,894,775,437,499.75
  5. Step 5: Solve for x
    x = 1,927,894,775,437,499.75/65,160,814.80
  6. Step 6: Final answer
    x = 29,586,719.89

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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.