Home / 78,163,292,529.80-116,718,585,967.87-63,833,428,116.23

Finding the Fourth Proportional to 78,163,292,529.80, 116,718,585,967.87 and 63,833,428,116.23

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Solution

The fourth proportional to 78,163,292,529.80, 116,718,585,967.87 and 63,833,428,116.23 is: 95,320,286,877.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,163,292,529.80 : 116,718,585,967.87 = 63,833,428,116.23 : x
  2. Step 2: Convert to fraction form
    78,163,292,529.80/116,718,585,967.87 = 63,833,428,116.23/x
  3. Step 3: Cross multiply
    78,163,292,529.80x = 116,718,585,967.87 × 63,833,428,116.23
  4. Step 4: Simplify right side
    78,163,292,529.80x = 7,450,547,467,208,041,168,896
  5. Step 5: Solve for x
    x = 7,450,547,467,208,041,168,896/78,163,292,529.80
  6. Step 6: Final answer
    x = 95,320,286,877.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.