Home / 66,460,021.20-99,703,510.20-37,719,925.20

Finding the Fourth Proportional to 66,460,021.20, 99,703,510.20 and 37,719,925.20

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Solution

The fourth proportional to 66,460,021.20, 99,703,510.20 and 37,719,925.20 is: 56,587,537.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,460,021.20 : 99,703,510.20 = 37,719,925.20 : x
  2. Step 2: Convert to fraction form
    66,460,021.20/99,703,510.20 = 37,719,925.20/x
  3. Step 3: Cross multiply
    66,460,021.20x = 99,703,510.20 × 37,719,925.20
  4. Step 4: Simplify right side
    66,460,021.20x = 3,760,808,946,921,437.50
  5. Step 5: Solve for x
    x = 3,760,808,946,921,437.50/66,460,021.20
  6. Step 6: Final answer
    x = 56,587,537.58

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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.