Home / 191,484,666.40-287,226,999.60-188,461,357.60

Finding the Fourth Proportional to 191,484,666.40, 287,226,999.60 and 188,461,357.60

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Solution

The fourth proportional to 191,484,666.40, 287,226,999.60 and 188,461,357.60 is: 282,692,036.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,484,666.40 : 287,226,999.60 = 188,461,357.60 : x
  2. Step 2: Convert to fraction form
    191,484,666.40/287,226,999.60 = 188,461,357.60/x
  3. Step 3: Cross multiply
    191,484,666.40x = 287,226,999.60 × 188,461,357.60
  4. Step 4: Simplify right side
    191,484,666.40x = 54,131,190,283,990,656
  5. Step 5: Solve for x
    x = 54,131,190,283,990,656/191,484,666.40
  6. Step 6: Final answer
    x = 282,692,036.40

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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.