Home / 186,789,872.90-280,184,809.35-100,696,430.90

Finding the Fourth Proportional to 186,789,872.90, 280,184,809.35 and 100,696,430.90

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Solution

The fourth proportional to 186,789,872.90, 280,184,809.35 and 100,696,430.90 is: 151,044,646.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,789,872.90 : 280,184,809.35 = 100,696,430.90 : x
  2. Step 2: Convert to fraction form
    186,789,872.90/280,184,809.35 = 100,696,430.90/x
  3. Step 3: Cross multiply
    186,789,872.90x = 280,184,809.35 × 100,696,430.90
  4. Step 4: Simplify right side
    186,789,872.90x = 28,213,610,293,941,952
  5. Step 5: Solve for x
    x = 28,213,610,293,941,952/186,789,872.90
  6. Step 6: Final answer
    x = 151,044,646.35

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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.