Home / 85,377,205.16-117,820,581.12-46,218,980.63

Finding the Fourth Proportional to 85,377,205.16, 117,820,581.12 and 46,218,980.63

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Solution

The fourth proportional to 85,377,205.16, 117,820,581.12 and 46,218,980.63 is: 63,782,213.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,377,205.16 : 117,820,581.12 = 46,218,980.63 : x
  2. Step 2: Convert to fraction form
    85,377,205.16/117,820,581.12 = 46,218,980.63/x
  3. Step 3: Cross multiply
    85,377,205.16x = 117,820,581.12 × 46,218,980.63
  4. Step 4: Simplify right side
    85,377,205.16x = 5,445,547,156,011,521
  5. Step 5: Solve for x
    x = 5,445,547,156,011,521/85,377,205.16
  6. Step 6: Final answer
    x = 63,782,213.84

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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.