Home / 286,724,742,143.50-395,680,182,887.18-158,266,215,002.90

Finding the Fourth Proportional to 286,724,742,143.50, 395,680,182,887.18 and 158,266,215,002.90

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Solution

The fourth proportional to 286,724,742,143.50, 395,680,182,887.18 and 158,266,215,002.90 is: 218,407,398,081.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,724,742,143.50 : 395,680,182,887.18 = 158,266,215,002.90 : x
  2. Step 2: Convert to fraction form
    286,724,742,143.50/395,680,182,887.18 = 158,266,215,002.90/x
  3. Step 3: Cross multiply
    286,724,742,143.50x = 395,680,182,887.18 × 158,266,215,002.90
  4. Step 4: Simplify right side
    286,724,742,143.50x = 62,622,804,897,209,220,333,568
  5. Step 5: Solve for x
    x = 62,622,804,897,209,220,333,568/286,724,742,143.50
  6. Step 6: Final answer
    x = 218,407,398,081.70

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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.