Home / 157,468,454.40-236,240,006.40-80,803,315.20

Finding the Fourth Proportional to 157,468,454.40, 236,240,006.40 and 80,803,315.20

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Solution

The fourth proportional to 157,468,454.40, 236,240,006.40 and 80,803,315.20 is: 121,224,125.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,468,454.40 : 236,240,006.40 = 80,803,315.20 : x
  2. Step 2: Convert to fraction form
    157,468,454.40/236,240,006.40 = 80,803,315.20/x
  3. Step 3: Cross multiply
    157,468,454.40x = 236,240,006.40 × 80,803,315.20
  4. Step 4: Simplify right side
    157,468,454.40x = 19,088,975,699,989,220
  5. Step 5: Solve for x
    x = 19,088,975,699,989,220/157,468,454.40
  6. Step 6: Final answer
    x = 121,224,125.64

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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.