Home / 70,339,979.10-105,509,968.65-64,069,412.70

Finding the Fourth Proportional to 70,339,979.10, 105,509,968.65 and 64,069,412.70

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Solution

The fourth proportional to 70,339,979.10, 105,509,968.65 and 64,069,412.70 is: 96,104,119.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,339,979.10 : 105,509,968.65 = 64,069,412.70 : x
  2. Step 2: Convert to fraction form
    70,339,979.10/105,509,968.65 = 64,069,412.70/x
  3. Step 3: Cross multiply
    70,339,979.10x = 105,509,968.65 × 64,069,412.70
  4. Step 4: Simplify right side
    70,339,979.10x = 6,759,961,725,400,913
  5. Step 5: Solve for x
    x = 6,759,961,725,400,913/70,339,979.10
  6. Step 6: Final answer
    x = 96,104,119.05

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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.