Home / 169,333,726.87-253,918,423.90-99,323,081.11

Finding the Fourth Proportional to 169,333,726.87, 253,918,423.90 and 99,323,081.11

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Solution

The fourth proportional to 169,333,726.87, 253,918,423.90 and 99,323,081.11 is: 148,936,426.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,333,726.87 : 253,918,423.90 = 99,323,081.11 : x
  2. Step 2: Convert to fraction form
    169,333,726.87/253,918,423.90 = 99,323,081.11/x
  3. Step 3: Cross multiply
    169,333,726.87x = 253,918,423.90 × 99,323,081.11
  4. Step 4: Simplify right side
    169,333,726.87x = 25,219,960,212,343,064
  5. Step 5: Solve for x
    x = 25,219,960,212,343,064/169,333,726.87
  6. Step 6: Final answer
    x = 148,936,426.77

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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.