Home / 30,610,239.04-42,242,130.08-16,859,203.16

Finding the Fourth Proportional to 30,610,239.04, 42,242,130.08 and 16,859,203.16

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Solution

The fourth proportional to 30,610,239.04, 42,242,130.08 and 16,859,203.16 is: 23,265,700.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,610,239.04 : 42,242,130.08 = 16,859,203.16 : x
  2. Step 2: Convert to fraction form
    30,610,239.04/42,242,130.08 = 16,859,203.16/x
  3. Step 3: Cross multiply
    30,610,239.04x = 42,242,130.08 × 16,859,203.16
  4. Step 4: Simplify right side
    30,610,239.04x = 712,168,652,935,194.38
  5. Step 5: Solve for x
    x = 712,168,652,935,194.38/30,610,239.04
  6. Step 6: Final answer
    x = 23,265,700.48

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.