Home / 56,038,859.10-84,058,288.65-19,688,294.70

Finding the Fourth Proportional to 56,038,859.10, 84,058,288.65 and 19,688,294.70

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Solution

The fourth proportional to 56,038,859.10, 84,058,288.65 and 19,688,294.70 is: 29,532,442.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,038,859.10 : 84,058,288.65 = 19,688,294.70 : x
  2. Step 2: Convert to fraction form
    56,038,859.10/84,058,288.65 = 19,688,294.70/x
  3. Step 3: Cross multiply
    56,038,859.10x = 84,058,288.65 × 19,688,294.70
  4. Step 4: Simplify right side
    56,038,859.10x = 1,654,964,358,918,865.25
  5. Step 5: Solve for x
    x = 1,654,964,358,918,865.25/56,038,859.10
  6. Step 6: Final answer
    x = 29,532,442.05

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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.