Home / 65,218,853.76-97,828,697.52-19,160,534.40

Finding the Fourth Proportional to 65,218,853.76, 97,828,697.52 and 19,160,534.40

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Solution

The fourth proportional to 65,218,853.76, 97,828,697.52 and 19,160,534.40 is: 28,740,924.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,218,853.76 : 97,828,697.52 = 19,160,534.40 : x
  2. Step 2: Convert to fraction form
    65,218,853.76/97,828,697.52 = 19,160,534.40/x
  3. Step 3: Cross multiply
    65,218,853.76x = 97,828,697.52 × 19,160,534.40
  4. Step 4: Simplify right side
    65,218,853.76x = 1,874,450,124,139,154.50
  5. Step 5: Solve for x
    x = 1,874,450,124,139,154.50/65,218,853.76
  6. Step 6: Final answer
    x = 28,740,924.07

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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.