Home / 86,920,478,538.39-130,380,717,807.57-86,920,478,538.39

Finding the Fourth Proportional to 86,920,478,538.39, 130,380,717,807.57 and 86,920,478,538.39

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Solution

The fourth proportional to 86,920,478,538.39, 130,380,717,807.57 and 86,920,478,538.39 is: 130,380,717,807.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,920,478,538.39 : 130,380,717,807.57 = 86,920,478,538.39 : x
  2. Step 2: Convert to fraction form
    86,920,478,538.39/130,380,717,807.57 = 86,920,478,538.39/x
  3. Step 3: Cross multiply
    86,920,478,538.39x = 130,380,717,807.57 × 86,920,478,538.39
  4. Step 4: Simplify right side
    86,920,478,538.39x = 11,332,754,384,012,770,803,712
  5. Step 5: Solve for x
    x = 11,332,754,384,012,770,803,712/86,920,478,538.39
  6. Step 6: Final answer
    x = 130,380,717,807.57

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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.