Home / 86,865,101.40-130,297,547.55-22,168,913.40

Finding the Fourth Proportional to 86,865,101.40, 130,297,547.55 and 22,168,913.40

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Solution

The fourth proportional to 86,865,101.40, 130,297,547.55 and 22,168,913.40 is: 33,253,343.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,865,101.40 : 130,297,547.55 = 22,168,913.40 : x
  2. Step 2: Convert to fraction form
    86,865,101.40/130,297,547.55 = 22,168,913.40/x
  3. Step 3: Cross multiply
    86,865,101.40x = 130,297,547.55 × 22,168,913.40
  4. Step 4: Simplify right side
    86,865,101.40x = 2,888,555,047,868,332
  5. Step 5: Solve for x
    x = 2,888,555,047,868,332/86,865,101.40
  6. Step 6: Final answer
    x = 33,253,343.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.