Home / 191,000,957.70-286,501,436.55-68,238,086.70

Finding the Fourth Proportional to 191,000,957.70, 286,501,436.55 and 68,238,086.70

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Solution

The fourth proportional to 191,000,957.70, 286,501,436.55 and 68,238,086.70 is: 102,357,130.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,000,957.70 : 286,501,436.55 = 68,238,086.70 : x
  2. Step 2: Convert to fraction form
    191,000,957.70/286,501,436.55 = 68,238,086.70/x
  3. Step 3: Cross multiply
    191,000,957.70x = 286,501,436.55 × 68,238,086.70
  4. Step 4: Simplify right side
    191,000,957.70x = 19,550,309,866,973,452
  5. Step 5: Solve for x
    x = 19,550,309,866,973,452/191,000,957.70
  6. Step 6: Final answer
    x = 102,357,130.05

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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.