Home / 229,931,136.80-344,896,705.20-213,302,938.40

Finding the Fourth Proportional to 229,931,136.80, 344,896,705.20 and 213,302,938.40

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Solution

The fourth proportional to 229,931,136.80, 344,896,705.20 and 213,302,938.40 is: 319,954,407.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,931,136.80 : 344,896,705.20 = 213,302,938.40 : x
  2. Step 2: Convert to fraction form
    229,931,136.80/344,896,705.20 = 213,302,938.40/x
  3. Step 3: Cross multiply
    229,931,136.80x = 344,896,705.20 × 213,302,938.40
  4. Step 4: Simplify right side
    229,931,136.80x = 73,567,480,663,638,560
  5. Step 5: Solve for x
    x = 73,567,480,663,638,560/229,931,136.80
  6. Step 6: Final answer
    x = 319,954,407.60

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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.