Home / 142,577,207.50-213,911,869.74-65,950,501.18

Finding the Fourth Proportional to 142,577,207.50, 213,911,869.74 and 65,950,501.18

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Solution

The fourth proportional to 142,577,207.50, 213,911,869.74 and 65,950,501.18 is: 98,947,056.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,577,207.50 : 213,911,869.74 = 65,950,501.18 : x
  2. Step 2: Convert to fraction form
    142,577,207.50/213,911,869.74 = 65,950,501.18/x
  3. Step 3: Cross multiply
    142,577,207.50x = 213,911,869.74 × 65,950,501.18
  4. Step 4: Simplify right side
    142,577,207.50x = 14,107,595,017,703,876
  5. Step 5: Solve for x
    x = 14,107,595,017,703,876/142,577,207.50
  6. Step 6: Final answer
    x = 98,947,056.58

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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.