Home / 134,763,960.09-185,974,264.80-72,884,298.59

Finding the Fourth Proportional to 134,763,960.09, 185,974,264.80 and 72,884,298.59

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Solution

The fourth proportional to 134,763,960.09, 185,974,264.80 and 72,884,298.59 is: 100,580,331.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,763,960.09 : 185,974,264.80 = 72,884,298.59 : x
  2. Step 2: Convert to fraction form
    134,763,960.09/185,974,264.80 = 72,884,298.59/x
  3. Step 3: Cross multiply
    134,763,960.09x = 185,974,264.80 × 72,884,298.59
  4. Step 4: Simplify right side
    134,763,960.09x = 13,554,603,845,506,460
  5. Step 5: Solve for x
    x = 13,554,603,845,506,460/134,763,960.09
  6. Step 6: Final answer
    x = 100,580,331.98

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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.