Home / 158,551,521,719.78-218,805,746,228.12-86,298,266,397.17

Finding the Fourth Proportional to 158,551,521,719.78, 218,805,746,228.12 and 86,298,266,397.17

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Solution

The fourth proportional to 158,551,521,719.78, 218,805,746,228.12 and 86,298,266,397.17 is: 119,094,136,545.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,551,521,719.78 : 218,805,746,228.12 = 86,298,266,397.17 : x
  2. Step 2: Convert to fraction form
    158,551,521,719.78/218,805,746,228.12 = 86,298,266,397.17/x
  3. Step 3: Cross multiply
    158,551,521,719.78x = 218,805,746,228.12 × 86,298,266,397.17
  4. Step 4: Simplify right side
    158,551,521,719.78x = 18,882,556,577,225,874,866,176
  5. Step 5: Solve for x
    x = 18,882,556,577,225,874,866,176/158,551,521,719.78
  6. Step 6: Final answer
    x = 119,094,136,545.71

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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.