Home / 123,685,005.60-185,527,508.40-112,338,266.40

Finding the Fourth Proportional to 123,685,005.60, 185,527,508.40 and 112,338,266.40

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Solution

The fourth proportional to 123,685,005.60, 185,527,508.40 and 112,338,266.40 is: 168,507,399.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,685,005.60 : 185,527,508.40 = 112,338,266.40 : x
  2. Step 2: Convert to fraction form
    123,685,005.60/185,527,508.40 = 112,338,266.40/x
  3. Step 3: Cross multiply
    123,685,005.60x = 185,527,508.40 × 112,338,266.40
  4. Step 4: Simplify right side
    123,685,005.60x = 20,841,838,663,167,440
  5. Step 5: Solve for x
    x = 20,841,838,663,167,440/123,685,005.60
  6. Step 6: Final answer
    x = 168,507,399.60

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1.5x scale

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.