Home / 157,592,435.04-217,475,290.08-87,031,030.86

Finding the Fourth Proportional to 157,592,435.04, 217,475,290.08 and 87,031,030.86

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Solution

The fourth proportional to 157,592,435.04, 217,475,290.08 and 87,031,030.86 is: 120,101,568.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,592,435.04 : 217,475,290.08 = 87,031,030.86 : x
  2. Step 2: Convert to fraction form
    157,592,435.04/217,475,290.08 = 87,031,030.86/x
  3. Step 3: Cross multiply
    157,592,435.04x = 217,475,290.08 × 87,031,030.86
  4. Step 4: Simplify right side
    157,592,435.04x = 18,927,098,682,239,932
  5. Step 5: Solve for x
    x = 18,927,098,682,239,932/157,592,435.04
  6. Step 6: Final answer
    x = 120,101,568.82

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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.