Home / 178,027,570.80-266,828,779.80-91,721,552.40

Finding the Fourth Proportional to 178,027,570.80, 266,828,779.80 and 91,721,552.40

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Solution

The fourth proportional to 178,027,570.80, 266,828,779.80 and 91,721,552.40 is: 137,472,807.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,027,570.80 : 266,828,779.80 = 91,721,552.40 : x
  2. Step 2: Convert to fraction form
    178,027,570.80/266,828,779.80 = 91,721,552.40/x
  3. Step 3: Cross multiply
    178,027,570.80x = 266,828,779.80 × 91,721,552.40
  4. Step 4: Simplify right side
    178,027,570.80x = 24,473,949,908,253,764
  5. Step 5: Solve for x
    x = 24,473,949,908,253,764/178,027,570.80
  6. Step 6: Final answer
    x = 137,472,807.15

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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.