Home / 218,725,620,702.09-301,834,803,797.32-121,071,264,455.01

Finding the Fourth Proportional to 218,725,620,702.09, 301,834,803,797.32 and 121,071,264,455.01

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Solution

The fourth proportional to 218,725,620,702.09, 301,834,803,797.32 and 121,071,264,455.01 is: 167,074,717,790.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,725,620,702.09 : 301,834,803,797.32 = 121,071,264,455.01 : x
  2. Step 2: Convert to fraction form
    218,725,620,702.09/301,834,803,797.32 = 121,071,264,455.01/x
  3. Step 3: Cross multiply
    218,725,620,702.09x = 301,834,803,797.32 × 121,071,264,455.01
  4. Step 4: Simplify right side
    218,725,620,702.09x = 36,543,521,352,271,387,426,816
  5. Step 5: Solve for x
    x = 36,543,521,352,271,387,426,816/218,725,620,702.09
  6. Step 6: Final answer
    x = 167,074,717,790.12

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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.