Home / 103,896,988,856.58-143,392,897,288.02-58,174,210,827.76

Finding the Fourth Proportional to 103,896,988,856.58, 143,392,897,288.02 and 58,174,210,827.76

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Solution

The fourth proportional to 103,896,988,856.58, 143,392,897,288.02 and 58,174,210,827.76 is: 80,288,839,261.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,896,988,856.58 : 143,392,897,288.02 = 58,174,210,827.76 : x
  2. Step 2: Convert to fraction form
    103,896,988,856.58/143,392,897,288.02 = 58,174,210,827.76/x
  3. Step 3: Cross multiply
    103,896,988,856.58x = 143,392,897,288.02 × 58,174,210,827.76
  4. Step 4: Simplify right side
    103,896,988,856.58x = 8,341,768,638,036,609,859,584
  5. Step 5: Solve for x
    x = 8,341,768,638,036,609,859,584/103,896,988,856.58
  6. Step 6: Final answer
    x = 80,288,839,261.28

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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.