Home / 99,683,641.08-149,541,271.20-42,176,340

Finding the Fourth Proportional to 99,683,641.08, 149,541,271.20 and 42,176,340

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Solution

The fourth proportional to 99,683,641.08, 149,541,271.20 and 42,176,340 is: 63,271,199.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,683,641.08 : 149,541,271.20 = 42,176,340 : x
  2. Step 2: Convert to fraction form
    99,683,641.08/149,541,271.20 = 42,176,340/x
  3. Step 3: Cross multiply
    99,683,641.08x = 149,541,271.20 × 42,176,340
  4. Step 4: Simplify right side
    99,683,641.08x = 6,307,103,498,163,407
  5. Step 5: Solve for x
    x = 6,307,103,498,163,407/99,683,641.08
  6. Step 6: Final answer
    x = 63,271,199.06

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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.