Home / 103,228,133.71-142,455,417.00-56,185,095.05

Finding the Fourth Proportional to 103,228,133.71, 142,455,417.00 and 56,185,095.05

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Solution

The fourth proportional to 103,228,133.71, 142,455,417.00 and 56,185,095.05 is: 77,535,753.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,228,133.71 : 142,455,417.00 = 56,185,095.05 : x
  2. Step 2: Convert to fraction form
    103,228,133.71/142,455,417.00 = 56,185,095.05/x
  3. Step 3: Cross multiply
    103,228,133.71x = 142,455,417.00 × 56,185,095.05
  4. Step 4: Simplify right side
    103,228,133.71x = 8,003,871,144,732,425
  5. Step 5: Solve for x
    x = 8,003,871,144,732,425/103,228,133.71
  6. Step 6: Final answer
    x = 77,535,753.65

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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.