Home / 145,594,387.36-200,925,212.34-86,106,677.59

Finding the Fourth Proportional to 145,594,387.36, 200,925,212.34 and 86,106,677.59

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Solution

The fourth proportional to 145,594,387.36, 200,925,212.34 and 86,106,677.59 is: 118,830,147.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,594,387.36 : 200,925,212.34 = 86,106,677.59 : x
  2. Step 2: Convert to fraction form
    145,594,387.36/200,925,212.34 = 86,106,677.59/x
  3. Step 3: Cross multiply
    145,594,387.36x = 200,925,212.34 × 86,106,677.59
  4. Step 4: Simplify right side
    145,594,387.36x = 17,301,002,478,662,670
  5. Step 5: Solve for x
    x = 17,301,002,478,662,670/145,594,387.36
  6. Step 6: Final answer
    x = 118,830,147.18

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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.