Home / 145,360,207.32-200,628,130.14-83,514,646.68

Finding the Fourth Proportional to 145,360,207.32, 200,628,130.14 and 83,514,646.68

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Solution

The fourth proportional to 145,360,207.32, 200,628,130.14 and 83,514,646.68 is: 115,268,048.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,360,207.32 : 200,628,130.14 = 83,514,646.68 : x
  2. Step 2: Convert to fraction form
    145,360,207.32/200,628,130.14 = 83,514,646.68/x
  3. Step 3: Cross multiply
    145,360,207.32x = 200,628,130.14 × 83,514,646.68
  4. Step 4: Simplify right side
    145,360,207.32x = 16,755,387,402,711,160
  5. Step 5: Solve for x
    x = 16,755,387,402,711,160/145,360,207.32
  6. Step 6: Final answer
    x = 115,268,048.33

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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.