Home / 43,333,972.70-65,017,547.85-42,653,831.90

Finding the Fourth Proportional to 43,333,972.70, 65,017,547.85 and 42,653,831.90

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Solution

The fourth proportional to 43,333,972.70, 65,017,547.85 and 42,653,831.90 is: 63,997,076.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,333,972.70 : 65,017,547.85 = 42,653,831.90 : x
  2. Step 2: Convert to fraction form
    43,333,972.70/65,017,547.85 = 42,653,831.90/x
  3. Step 3: Cross multiply
    43,333,972.70x = 65,017,547.85 × 42,653,831.90
  4. Step 4: Simplify right side
    43,333,972.70x = 2,773,247,556,544,106.50
  5. Step 5: Solve for x
    x = 2,773,247,556,544,106.50/43,333,972.70
  6. Step 6: Final answer
    x = 63,997,076.28

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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.