Home / 83,615,858.32-115,385,985.12-46,448,547.52

Finding the Fourth Proportional to 83,615,858.32, 115,385,985.12 and 46,448,547.52

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Solution

The fourth proportional to 83,615,858.32, 115,385,985.12 and 46,448,547.52 is: 64,096,829.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,615,858.32 : 115,385,985.12 = 46,448,547.52 : x
  2. Step 2: Convert to fraction form
    83,615,858.32/115,385,985.12 = 46,448,547.52/x
  3. Step 3: Cross multiply
    83,615,858.32x = 115,385,985.12 × 46,448,547.52
  4. Step 4: Simplify right side
    83,615,858.32x = 5,359,511,412,988,334
  5. Step 5: Solve for x
    x = 5,359,511,412,988,334/83,615,858.32
  6. Step 6: Final answer
    x = 64,096,829.49

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1.5x scale

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.