Home / 249,123,519.84-373,695,460.56-85,473,809.76

Finding the Fourth Proportional to 249,123,519.84, 373,695,460.56 and 85,473,809.76

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Solution

The fourth proportional to 249,123,519.84, 373,695,460.56 and 85,473,809.76 is: 128,214,207.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,123,519.84 : 373,695,460.56 = 85,473,809.76 : x
  2. Step 2: Convert to fraction form
    249,123,519.84/373,695,460.56 = 85,473,809.76/x
  3. Step 3: Cross multiply
    249,123,519.84x = 373,695,460.56 × 85,473,809.76
  4. Step 4: Simplify right side
    249,123,519.84x = 31,941,174,704,081,024
  5. Step 5: Solve for x
    x = 31,941,174,704,081,024/249,123,519.84
  6. Step 6: Final answer
    x = 128,214,207.65

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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.