Home / 201,901,095.30-302,851,642.95-72,528,672.90

Finding the Fourth Proportional to 201,901,095.30, 302,851,642.95 and 72,528,672.90

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Solution

The fourth proportional to 201,901,095.30, 302,851,642.95 and 72,528,672.90 is: 108,793,009.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,901,095.30 : 302,851,642.95 = 72,528,672.90 : x
  2. Step 2: Convert to fraction form
    201,901,095.30/302,851,642.95 = 72,528,672.90/x
  3. Step 3: Cross multiply
    201,901,095.30x = 302,851,642.95 × 72,528,672.90
  4. Step 4: Simplify right side
    201,901,095.30x = 21,965,427,748,748,140
  5. Step 5: Solve for x
    x = 21,965,427,748,748,140/201,901,095.30
  6. Step 6: Final answer
    x = 108,793,009.35

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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.