Home / 86,274,288,002.80-129,411,432,004.20-42,136,666,908.40

Finding the Fourth Proportional to 86,274,288,002.80, 129,411,432,004.20 and 42,136,666,908.40

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Solution

The fourth proportional to 86,274,288,002.80, 129,411,432,004.20 and 42,136,666,908.40 is: 63,205,000,362.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,274,288,002.80 : 129,411,432,004.20 = 42,136,666,908.40 : x
  2. Step 2: Convert to fraction form
    86,274,288,002.80/129,411,432,004.20 = 42,136,666,908.40/x
  3. Step 3: Cross multiply
    86,274,288,002.80x = 129,411,432,004.20 × 42,136,666,908.40
  4. Step 4: Simplify right side
    86,274,288,002.80x = 5,452,966,404,500,031,012,864
  5. Step 5: Solve for x
    x = 5,452,966,404,500,031,012,864/86,274,288,002.80
  6. Step 6: Final answer
    x = 63,205,000,362.60

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1.5x scale

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.