Home / 118,146,750.96-163,035,713.88-65,931,688.56

Finding the Fourth Proportional to 118,146,750.96, 163,035,713.88 and 65,931,688.56

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Solution

The fourth proportional to 118,146,750.96, 163,035,713.88 and 65,931,688.56 is: 90,981,934.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,146,750.96 : 163,035,713.88 = 65,931,688.56 : x
  2. Step 2: Convert to fraction form
    118,146,750.96/163,035,713.88 = 65,931,688.56/x
  3. Step 3: Cross multiply
    118,146,750.96x = 163,035,713.88 × 65,931,688.56
  4. Step 4: Simplify right side
    118,146,750.96x = 10,749,219,911,693,430
  5. Step 5: Solve for x
    x = 10,749,219,911,693,430/118,146,750.96
  6. Step 6: Final answer
    x = 90,981,934.11

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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.