Home / 156,357,241.90-215,683,347.05-97,517,754.68

Finding the Fourth Proportional to 156,357,241.90, 215,683,347.05 and 97,517,754.68

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Solution

The fourth proportional to 156,357,241.90, 215,683,347.05 and 97,517,754.68 is: 134,518,590.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,357,241.90 : 215,683,347.05 = 97,517,754.68 : x
  2. Step 2: Convert to fraction form
    156,357,241.90/215,683,347.05 = 97,517,754.68/x
  3. Step 3: Cross multiply
    156,357,241.90x = 215,683,347.05 × 97,517,754.68
  4. Step 4: Simplify right side
    156,357,241.90x = 21,032,955,724,617,196
  5. Step 5: Solve for x
    x = 21,032,955,724,617,196/156,357,241.90
  6. Step 6: Final answer
    x = 134,518,590.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.