Home / 201,452,587.40-302,178,881.10-99,195,465.80

Finding the Fourth Proportional to 201,452,587.40, 302,178,881.10 and 99,195,465.80

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Solution

The fourth proportional to 201,452,587.40, 302,178,881.10 and 99,195,465.80 is: 148,793,198.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,452,587.40 : 302,178,881.10 = 99,195,465.80 : x
  2. Step 2: Convert to fraction form
    201,452,587.40/302,178,881.10 = 99,195,465.80/x
  3. Step 3: Cross multiply
    201,452,587.40x = 302,178,881.10 × 99,195,465.80
  4. Step 4: Simplify right side
    201,452,587.40x = 29,974,774,865,637,316
  5. Step 5: Solve for x
    x = 29,974,774,865,637,316/201,452,587.40
  6. Step 6: Final answer
    x = 148,793,198.70

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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.