Home / 152,851,518,461.08-210,935,734,818.87-84,261,426,016.89

Finding the Fourth Proportional to 152,851,518,461.08, 210,935,734,818.87 and 84,261,426,016.89

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Solution

The fourth proportional to 152,851,518,461.08, 210,935,734,818.87 and 84,261,426,016.89 is: 116,281,120,349.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,851,518,461.08 : 210,935,734,818.87 = 84,261,426,016.89 : x
  2. Step 2: Convert to fraction form
    152,851,518,461.08/210,935,734,818.87 = 84,261,426,016.89/x
  3. Step 3: Cross multiply
    152,851,518,461.08x = 210,935,734,818.87 × 84,261,426,016.89
  4. Step 4: Simplify right side
    152,851,518,461.08x = 17,773,745,813,758,542,872,576
  5. Step 5: Solve for x
    x = 17,773,745,813,758,542,872,576/152,851,518,461.08
  6. Step 6: Final answer
    x = 116,281,120,349.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.