Home / 86,920,128,045.95-130,380,192,068.93-86,920,128,045.95

Finding the Fourth Proportional to 86,920,128,045.95, 130,380,192,068.93 and 86,920,128,045.95

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Solution

The fourth proportional to 86,920,128,045.95, 130,380,192,068.93 and 86,920,128,045.95 is: 130,380,192,068.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,920,128,045.95 : 130,380,192,068.93 = 86,920,128,045.95 : x
  2. Step 2: Convert to fraction form
    86,920,128,045.95/130,380,192,068.93 = 86,920,128,045.95/x
  3. Step 3: Cross multiply
    86,920,128,045.95x = 130,380,192,068.93 × 86,920,128,045.95
  4. Step 4: Simplify right side
    86,920,128,045.95x = 11,332,662,989,286,948,208,640
  5. Step 5: Solve for x
    x = 11,332,662,989,286,948,208,640/86,920,128,045.95
  6. Step 6: Final answer
    x = 130,380,192,068.93

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1.5x scale

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.