Home / 141,911,393.50-195,837,988.71-76,721,297.50

Finding the Fourth Proportional to 141,911,393.50, 195,837,988.71 and 76,721,297.50

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Solution

The fourth proportional to 141,911,393.50, 195,837,988.71 and 76,721,297.50 is: 105,875,534.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,911,393.50 : 195,837,988.71 = 76,721,297.50 : x
  2. Step 2: Convert to fraction form
    141,911,393.50/195,837,988.71 = 76,721,297.50/x
  3. Step 3: Cross multiply
    141,911,393.50x = 195,837,988.71 × 76,721,297.50
  4. Step 4: Simplify right side
    141,911,393.50x = 15,024,944,593,621,552
  5. Step 5: Solve for x
    x = 15,024,944,593,621,552/141,911,393.50
  6. Step 6: Final answer
    x = 105,875,534.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.