Home / 65,203,411.40-97,805,117.10-31,191,187.40

Finding the Fourth Proportional to 65,203,411.40, 97,805,117.10 and 31,191,187.40

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Solution

The fourth proportional to 65,203,411.40, 97,805,117.10 and 31,191,187.40 is: 46,786,781.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,203,411.40 : 97,805,117.10 = 31,191,187.40 : x
  2. Step 2: Convert to fraction form
    65,203,411.40/97,805,117.10 = 31,191,187.40/x
  3. Step 3: Cross multiply
    65,203,411.40x = 97,805,117.10 × 31,191,187.40
  4. Step 4: Simplify right side
    65,203,411.40x = 3,050,657,736,145,044
  5. Step 5: Solve for x
    x = 3,050,657,736,145,044/65,203,411.40
  6. Step 6: Final answer
    x = 46,786,781.10

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Double scale
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Similar ratio
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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.