Home / 345,742,590.77-518,614,771.89-141,270,666.02

Finding the Fourth Proportional to 345,742,590.77, 518,614,771.89 and 141,270,666.02

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Solution

The fourth proportional to 345,742,590.77, 518,614,771.89 and 141,270,666.02 is: 211,906,360.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,742,590.77 : 518,614,771.89 = 141,270,666.02 : x
  2. Step 2: Convert to fraction form
    345,742,590.77/518,614,771.89 = 141,270,666.02/x
  3. Step 3: Cross multiply
    345,742,590.77x = 518,614,771.89 × 141,270,666.02
  4. Step 4: Simplify right side
    345,742,590.77x = 73,265,054,232,710,672
  5. Step 5: Solve for x
    x = 73,265,054,232,710,672/345,742,590.77
  6. Step 6: Final answer
    x = 211,906,360.94

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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.