Home / 191,091,458.67-286,634,307.54-85,972,566.01

Finding the Fourth Proportional to 191,091,458.67, 286,634,307.54 and 85,972,566.01

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Solution

The fourth proportional to 191,091,458.67, 286,634,307.54 and 85,972,566.01 is: 128,957,553.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,091,458.67 : 286,634,307.54 = 85,972,566.01 : x
  2. Step 2: Convert to fraction form
    191,091,458.67/286,634,307.54 = 85,972,566.01/x
  3. Step 3: Cross multiply
    191,091,458.67x = 286,634,307.54 × 85,972,566.01
  4. Step 4: Simplify right side
    191,091,458.67x = 24,642,686,925,713,296
  5. Step 5: Solve for x
    x = 24,642,686,925,713,296/191,091,458.67
  6. Step 6: Final answer
    x = 128,957,553.09

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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.