Home / 152,957,168,981.49-211,081,549,427.59-83,434,324,917.28

Finding the Fourth Proportional to 152,957,168,981.49, 211,081,549,427.59 and 83,434,324,917.28

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Solution

The fourth proportional to 152,957,168,981.49, 211,081,549,427.59 and 83,434,324,917.28 is: 115,139,726,344.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,957,168,981.49 : 211,081,549,427.59 = 83,434,324,917.28 : x
  2. Step 2: Convert to fraction form
    152,957,168,981.49/211,081,549,427.59 = 83,434,324,917.28/x
  3. Step 3: Cross multiply
    152,957,168,981.49x = 211,081,549,427.59 × 83,434,324,917.28
  4. Step 4: Simplify right side
    152,957,168,981.49x = 17,611,446,578,984,442,134,528
  5. Step 5: Solve for x
    x = 17,611,446,578,984,442,134,528/152,957,168,981.49
  6. Step 6: Final answer
    x = 115,139,726,344.67

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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.