Home / 64,939,465.52-97,421,730.70-21,208,467.50

Finding the Fourth Proportional to 64,939,465.52, 97,421,730.70 and 21,208,467.50

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Solution

The fourth proportional to 64,939,465.52, 97,421,730.70 and 21,208,467.50 is: 31,816,794.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,939,465.52 : 97,421,730.70 = 21,208,467.50 : x
  2. Step 2: Convert to fraction form
    64,939,465.52/97,421,730.70 = 21,208,467.50/x
  3. Step 3: Cross multiply
    64,939,465.52x = 97,421,730.70 × 21,208,467.50
  4. Step 4: Simplify right side
    64,939,465.52x = 2,066,165,609,344,702.25
  5. Step 5: Solve for x
    x = 2,066,165,609,344,702.25/64,939,465.52
  6. Step 6: Final answer
    x = 31,816,794.19

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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.