Home / 118,355,373.82-163,335,460.45-66,144,409.01

Finding the Fourth Proportional to 118,355,373.82, 163,335,460.45 and 66,144,409.01

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Solution

The fourth proportional to 118,355,373.82, 163,335,460.45 and 66,144,409.01 is: 91,282,103.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,355,373.82 : 163,335,460.45 = 66,144,409.01 : x
  2. Step 2: Convert to fraction form
    118,355,373.82/163,335,460.45 = 66,144,409.01/x
  3. Step 3: Cross multiply
    118,355,373.82x = 163,335,460.45 × 66,144,409.01
  4. Step 4: Simplify right side
    118,355,373.82x = 10,803,727,501,841,478
  5. Step 5: Solve for x
    x = 10,803,727,501,841,478/118,355,373.82
  6. Step 6: Final answer
    x = 91,282,103.66

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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.