Home / 260,018,302.08-389,914,064.96-98,346,864

Finding the Fourth Proportional to 260,018,302.08, 389,914,064.96 and 98,346,864

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Solution

The fourth proportional to 260,018,302.08, 389,914,064.96 and 98,346,864 is: 147,477,409.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,018,302.08 : 389,914,064.96 = 98,346,864 : x
  2. Step 2: Convert to fraction form
    260,018,302.08/389,914,064.96 = 98,346,864/x
  3. Step 3: Cross multiply
    260,018,302.08x = 389,914,064.96 × 98,346,864
  4. Step 4: Simplify right side
    260,018,302.08x = 38,346,825,518,308,280
  5. Step 5: Solve for x
    x = 38,346,825,518,308,280/260,018,302.08
  6. Step 6: Final answer
    x = 147,477,409.13

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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.