Home / 102,384,809.40-153,577,214.10-99,550,457.40

Finding the Fourth Proportional to 102,384,809.40, 153,577,214.10 and 99,550,457.40

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Solution

The fourth proportional to 102,384,809.40, 153,577,214.10 and 99,550,457.40 is: 149,325,686.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,384,809.40 : 153,577,214.10 = 99,550,457.40 : x
  2. Step 2: Convert to fraction form
    102,384,809.40/153,577,214.10 = 99,550,457.40/x
  3. Step 3: Cross multiply
    102,384,809.40x = 153,577,214.10 × 99,550,457.40
  4. Step 4: Simplify right side
    102,384,809.40x = 15,288,681,909,872,730
  5. Step 5: Solve for x
    x = 15,288,681,909,872,730/102,384,809.40
  6. Step 6: Final answer
    x = 149,325,686.10

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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.