Home / 70,127,344.41-105,191,017.02-19,009,363.02

Finding the Fourth Proportional to 70,127,344.41, 105,191,017.02 and 19,009,363.02

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Solution

The fourth proportional to 70,127,344.41, 105,191,017.02 and 19,009,363.02 is: 28,514,044.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,127,344.41 : 105,191,017.02 = 19,009,363.02 : x
  2. Step 2: Convert to fraction form
    70,127,344.41/105,191,017.02 = 19,009,363.02/x
  3. Step 3: Cross multiply
    70,127,344.41x = 105,191,017.02 × 19,009,363.02
  4. Step 4: Simplify right side
    70,127,344.41x = 1,999,614,228,976,178.50
  5. Step 5: Solve for x
    x = 1,999,614,228,976,178.50/70,127,344.41
  6. Step 6: Final answer
    x = 28,514,044.64

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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.