Home / 105,633,405.04-145,800,030.36-64,403,031.28

Finding the Fourth Proportional to 105,633,405.04, 145,800,030.36 and 64,403,031.28

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Solution

The fourth proportional to 105,633,405.04, 145,800,030.36 and 64,403,031.28 is: 88,891,993.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,633,405.04 : 145,800,030.36 = 64,403,031.28 : x
  2. Step 2: Convert to fraction form
    105,633,405.04/145,800,030.36 = 64,403,031.28/x
  3. Step 3: Cross multiply
    105,633,405.04x = 145,800,030.36 × 64,403,031.28
  4. Step 4: Simplify right side
    105,633,405.04x = 9,389,963,915,900,030
  5. Step 5: Solve for x
    x = 9,389,963,915,900,030/105,633,405.04
  6. Step 6: Final answer
    x = 88,891,993.14

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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.