Home / 101,528,462,370.83-140,110,547,684.36-55,807,729,549.20

Finding the Fourth Proportional to 101,528,462,370.83, 140,110,547,684.36 and 55,807,729,549.20

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Solution

The fourth proportional to 101,528,462,370.83, 140,110,547,684.36 and 55,807,729,549.20 is: 77,015,364,653.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,528,462,370.83 : 140,110,547,684.36 = 55,807,729,549.20 : x
  2. Step 2: Convert to fraction form
    101,528,462,370.83/140,110,547,684.36 = 55,807,729,549.20/x
  3. Step 3: Cross multiply
    101,528,462,370.83x = 140,110,547,684.36 × 55,807,729,549.20
  4. Step 4: Simplify right side
    101,528,462,370.83x = 7,819,251,552,159,051,808,768
  5. Step 5: Solve for x
    x = 7,819,251,552,159,051,808,768/101,528,462,370.83
  6. Step 6: Final answer
    x = 77,015,364,653.11

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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.