Home / 134,791,994,681.76-186,018,799,840.41-74,644,963,764.46

Finding the Fourth Proportional to 134,791,994,681.76, 186,018,799,840.41 and 74,644,963,764.46

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Solution

The fourth proportional to 134,791,994,681.76, 186,018,799,840.41 and 74,644,963,764.46 is: 103,013,288,039.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,791,994,681.76 : 186,018,799,840.41 = 74,644,963,764.46 : x
  2. Step 2: Convert to fraction form
    134,791,994,681.76/186,018,799,840.41 = 74,644,963,764.46/x
  3. Step 3: Cross multiply
    134,791,994,681.76x = 186,018,799,840.41 × 74,644,963,764.46
  4. Step 4: Simplify right side
    134,791,994,681.76x = 13,885,366,573,595,369,668,608
  5. Step 5: Solve for x
    x = 13,885,366,573,595,369,668,608/134,791,994,681.76
  6. Step 6: Final answer
    x = 103,013,288,039.68

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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.