Home / 353,376,307.60-530,064,461.40-137,965,555.60

Finding the Fourth Proportional to 353,376,307.60, 530,064,461.40 and 137,965,555.60

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Solution

The fourth proportional to 353,376,307.60, 530,064,461.40 and 137,965,555.60 is: 206,948,333.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,376,307.60 : 530,064,461.40 = 137,965,555.60 : x
  2. Step 2: Convert to fraction form
    353,376,307.60/530,064,461.40 = 137,965,555.60/x
  3. Step 3: Cross multiply
    353,376,307.60x = 530,064,461.40 × 137,965,555.60
  4. Step 4: Simplify right side
    353,376,307.60x = 73,130,637,920,865,744
  5. Step 5: Solve for x
    x = 73,130,637,920,865,744/353,376,307.60
  6. Step 6: Final answer
    x = 206,948,333.40

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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.