Home / 545,537,629.80-818,306,444.70-157,373,123.40

Finding the Fourth Proportional to 545,537,629.80, 818,306,444.70 and 157,373,123.40

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Solution

The fourth proportional to 545,537,629.80, 818,306,444.70 and 157,373,123.40 is: 236,059,685.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,537,629.80 : 818,306,444.70 = 157,373,123.40 : x
  2. Step 2: Convert to fraction form
    545,537,629.80/818,306,444.70 = 157,373,123.40/x
  3. Step 3: Cross multiply
    545,537,629.80x = 818,306,444.70 × 157,373,123.40
  4. Step 4: Simplify right side
    545,537,629.80x = 128,779,441,100,788,384
  5. Step 5: Solve for x
    x = 128,779,441,100,788,384/545,537,629.80
  6. Step 6: Final answer
    x = 236,059,685.10

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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.