Home / 100,116,054.60-150,174,081.90-98,415,443.40

Finding the Fourth Proportional to 100,116,054.60, 150,174,081.90 and 98,415,443.40

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Solution

The fourth proportional to 100,116,054.60, 150,174,081.90 and 98,415,443.40 is: 147,623,165.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,116,054.60 : 150,174,081.90 = 98,415,443.40 : x
  2. Step 2: Convert to fraction form
    100,116,054.60/150,174,081.90 = 98,415,443.40/x
  3. Step 3: Cross multiply
    100,116,054.60x = 150,174,081.90 × 98,415,443.40
  4. Step 4: Simplify right side
    100,116,054.60x = 14,779,448,857,376,416
  5. Step 5: Solve for x
    x = 14,779,448,857,376,416/100,116,054.60
  6. Step 6: Final answer
    x = 147,623,165.10

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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.