Home / 157,248,176.40-235,872,264.60-80,720,672.40

Finding the Fourth Proportional to 157,248,176.40, 235,872,264.60 and 80,720,672.40

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Solution

The fourth proportional to 157,248,176.40, 235,872,264.60 and 80,720,672.40 is: 121,081,008.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,248,176.40 : 235,872,264.60 = 80,720,672.40 : x
  2. Step 2: Convert to fraction form
    157,248,176.40/235,872,264.60 = 80,720,672.40/x
  3. Step 3: Cross multiply
    157,248,176.40x = 235,872,264.60 × 80,720,672.40
  4. Step 4: Simplify right side
    157,248,176.40x = 19,039,767,799,022,716
  5. Step 5: Solve for x
    x = 19,039,767,799,022,716/157,248,176.40
  6. Step 6: Final answer
    x = 121,081,008.60

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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.