Home / 191,909,457.40-287,864,186.10-94,880,140.60

Finding the Fourth Proportional to 191,909,457.40, 287,864,186.10 and 94,880,140.60

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Solution

The fourth proportional to 191,909,457.40, 287,864,186.10 and 94,880,140.60 is: 142,320,210.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,909,457.40 : 287,864,186.10 = 94,880,140.60 : x
  2. Step 2: Convert to fraction form
    191,909,457.40/287,864,186.10 = 94,880,140.60/x
  3. Step 3: Cross multiply
    191,909,457.40x = 287,864,186.10 × 94,880,140.60
  4. Step 4: Simplify right side
    191,909,457.40x = 27,312,594,450,872,568
  5. Step 5: Solve for x
    x = 27,312,594,450,872,568/191,909,457.40
  6. Step 6: Final answer
    x = 142,320,210.90

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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.