Home / 87,011,050.74-120,072,853.86-47,852,841.72

Finding the Fourth Proportional to 87,011,050.74, 120,072,853.86 and 47,852,841.72

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Solution

The fourth proportional to 87,011,050.74, 120,072,853.86 and 47,852,841.72 is: 66,035,603.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,011,050.74 : 120,072,853.86 = 47,852,841.72 : x
  2. Step 2: Convert to fraction form
    87,011,050.74/120,072,853.86 = 47,852,841.72/x
  3. Step 3: Cross multiply
    87,011,050.74x = 120,072,853.86 × 47,852,841.72
  4. Step 4: Simplify right side
    87,011,050.74x = 5,745,827,270,631,271
  5. Step 5: Solve for x
    x = 5,745,827,270,631,271/87,011,050.74
  6. Step 6: Final answer
    x = 66,035,603.77

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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.