Home / 201,205,038.10-301,807,557.15-99,168,366.10

Finding the Fourth Proportional to 201,205,038.10, 301,807,557.15 and 99,168,366.10

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Solution

The fourth proportional to 201,205,038.10, 301,807,557.15 and 99,168,366.10 is: 148,752,549.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,205,038.10 : 301,807,557.15 = 99,168,366.10 : x
  2. Step 2: Convert to fraction form
    201,205,038.10/301,807,557.15 = 99,168,366.10/x
  3. Step 3: Cross multiply
    201,205,038.10x = 301,807,557.15 × 99,168,366.10
  4. Step 4: Simplify right side
    201,205,038.10x = 29,929,762,319,197,868
  5. Step 5: Solve for x
    x = 29,929,762,319,197,868/201,205,038.10
  6. Step 6: Final answer
    x = 148,752,549.15

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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.