Home / 243,955,357,808.74-336,666,559,426.02-135,573,023,208.77

Finding the Fourth Proportional to 243,955,357,808.74, 336,666,559,426.02 and 135,573,023,208.77

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Solution

The fourth proportional to 243,955,357,808.74, 336,666,559,426.02 and 135,573,023,208.77 is: 187,095,309,915.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,955,357,808.74 : 336,666,559,426.02 = 135,573,023,208.77 : x
  2. Step 2: Convert to fraction form
    243,955,357,808.74/336,666,559,426.02 = 135,573,023,208.77/x
  3. Step 3: Cross multiply
    243,955,357,808.74x = 336,666,559,426.02 × 135,573,023,208.77
  4. Step 4: Simplify right side
    243,955,357,808.74x = 45,642,903,274,680,555,143,168
  5. Step 5: Solve for x
    x = 45,642,903,274,680,555,143,168/243,955,357,808.74
  6. Step 6: Final answer
    x = 187,095,309,915.12

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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.