Home / 118,355,776.36-163,336,015.59-66,144,810.52

Finding the Fourth Proportional to 118,355,776.36, 163,336,015.59 and 66,144,810.52

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Solution

The fourth proportional to 118,355,776.36, 163,336,015.59 and 66,144,810.52 is: 91,282,657.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,355,776.36 : 163,336,015.59 = 66,144,810.52 : x
  2. Step 2: Convert to fraction form
    118,355,776.36/163,336,015.59 = 66,144,810.52/x
  3. Step 3: Cross multiply
    118,355,776.36x = 163,336,015.59 × 66,144,810.52
  4. Step 4: Simplify right side
    118,355,776.36x = 10,803,829,802,292,316
  5. Step 5: Solve for x
    x = 10,803,829,802,292,316/118,355,776.36
  6. Step 6: Final answer
    x = 91,282,657.55

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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.