Home / 102,564,047.52-141,532,778.88-56,145,322.08

Finding the Fourth Proportional to 102,564,047.52, 141,532,778.88 and 56,145,322.08

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Solution

The fourth proportional to 102,564,047.52, 141,532,778.88 and 56,145,322.08 is: 77,477,475.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,564,047.52 : 141,532,778.88 = 56,145,322.08 : x
  2. Step 2: Convert to fraction form
    102,564,047.52/141,532,778.88 = 56,145,322.08/x
  3. Step 3: Cross multiply
    102,564,047.52x = 141,532,778.88 × 56,145,322.08
  4. Step 4: Simplify right side
    102,564,047.52x = 7,946,403,455,095,021
  5. Step 5: Solve for x
    x = 7,946,403,455,095,021/102,564,047.52
  6. Step 6: Final answer
    x = 77,477,475.27

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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.