Home / 250,037,128.35-375,069,864.29-77,538,465.63

Finding the Fourth Proportional to 250,037,128.35, 375,069,864.29 and 77,538,465.63

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Solution

The fourth proportional to 250,037,128.35, 375,069,864.29 and 77,538,465.63 is: 116,312,093.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,037,128.35 : 375,069,864.29 = 77,538,465.63 : x
  2. Step 2: Convert to fraction form
    250,037,128.35/375,069,864.29 = 77,538,465.63/x
  3. Step 3: Cross multiply
    250,037,128.35x = 375,069,864.29 × 77,538,465.63
  4. Step 4: Simplify right side
    250,037,128.35x = 29,082,341,780,711,236
  5. Step 5: Solve for x
    x = 29,082,341,780,711,236/250,037,128.35
  6. Step 6: Final answer
    x = 116,312,093.22

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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.