Home / 103,312,857.58-142,574,444.73-56,271,715.03

Finding the Fourth Proportional to 103,312,857.58, 142,574,444.73 and 56,271,715.03

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Solution

The fourth proportional to 103,312,857.58, 142,574,444.73 and 56,271,715.03 is: 77,656,438.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,312,857.58 : 142,574,444.73 = 56,271,715.03 : x
  2. Step 2: Convert to fraction form
    103,312,857.58/142,574,444.73 = 56,271,715.03/x
  3. Step 3: Cross multiply
    103,312,857.58x = 142,574,444.73 × 56,271,715.03
  4. Step 4: Simplify right side
    103,312,857.58x = 8,022,908,524,585,263
  5. Step 5: Solve for x
    x = 8,022,908,524,585,263/103,312,857.58
  6. Step 6: Final answer
    x = 77,656,438.05

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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.