Home / 65,886,089.76-98,828,637.03-19,827,760.50

Finding the Fourth Proportional to 65,886,089.76, 98,828,637.03 and 19,827,760.50

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Solution

The fourth proportional to 65,886,089.76, 98,828,637.03 and 19,827,760.50 is: 29,741,491.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,886,089.76 : 98,828,637.03 = 19,827,760.50 : x
  2. Step 2: Convert to fraction form
    65,886,089.76/98,828,637.03 = 19,827,760.50/x
  3. Step 3: Cross multiply
    65,886,089.76x = 98,828,637.03 × 19,827,760.50
  4. Step 4: Simplify right side
    65,886,089.76x = 1,959,550,545,572,271.25
  5. Step 5: Solve for x
    x = 1,959,550,545,572,271.25/65,886,089.76
  6. Step 6: Final answer
    x = 29,741,491.00

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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.