Home / 293,134,701.80-439,901,118.30-163,742,061.80

Finding the Fourth Proportional to 293,134,701.80, 439,901,118.30 and 163,742,061.80

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Solution

The fourth proportional to 293,134,701.80, 439,901,118.30 and 163,742,061.80 is: 245,724,288.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,134,701.80 : 439,901,118.30 = 163,742,061.80 : x
  2. Step 2: Convert to fraction form
    293,134,701.80/439,901,118.30 = 163,742,061.80/x
  3. Step 3: Cross multiply
    293,134,701.80x = 439,901,118.30 × 163,742,061.80
  4. Step 4: Simplify right side
    293,134,701.80x = 72,030,316,098,567,720
  5. Step 5: Solve for x
    x = 72,030,316,098,567,720/293,134,701.80
  6. Step 6: Final answer
    x = 245,724,288.72

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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.